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Questions (329)
he heart is an example of several similar tissues working together to do a specific job for an organism. Which level of
1 answer
35 views
What body system exchanges gases with outside air?
A. endocrine B. excretory C. nervous D. respiratory
1 answer
34 views
Which of the following levels of structural organization is represented by two or more tissue types that perform a common
1 answer
42 views
What structures make plant cells appear green?
A. mitochondria B. cell membranes C. ribosomes D. chloroplasts
1 answer
39 views
Which structures carry out life functions within cells?
A. organ systems B. organelles C. organs D. tissues
1 answer
24 views
Most scientists currently classify life into how many kingdoms?
A. 6 B. 3 C. 2 D. 5
1 answer
42 views
Which domain(s) include(s) only prokaryotes?
A. Bacteria and Archaea B. Bacteria only C. Archaea only D. Eukarya only
1 answer
30 views
What is a major difference between Animalia and Plantae kingdoms?
A. Animals get their nutrients from plants and other animals
1 answer
96 views
Which of the organisms in the table is (are) most similar to a tiger (Panthera tigris)?
A. Panthera leo B. Proteles cristatus C.
1 answer
32 views
Classification of Living Things
Classification of Living Things Taxonomy is the practice of classifying and naming living things
1 answer
77 views
Classification of Living Things
Taxonomy is the practice of classifying and naming living things into categories or groups based
1 answer
49 views
Homeostasis refers to an organism’s ability to
A. obtain energy B. maintain stable internal conditions C. dissolve chemicals D.
1 answer
42 views
hat is Taxonomy?
A. the name of Aristotle’s classification system B. the history of physical science C. the process used by
1 answer
39 views
How are the basic economic questions decided in a command economy?
A. They are decided based on custom and habit. B. They are
1 answer
55 views
What was one of the primary goals of the Pan-African Movement in the twentieth century?
A. to bring an end to colonial rule in
1 answer
33 views
Many Ashanti in western Africa practice and follow traditional religions and beliefs. The Bantu of central and southern Africa
1 answer
50 views
Which is a key difference between parliamentary and presidential democracies?
A. There is less separation of executive and
1 answer
52 views
Based on the information in the chart, which of these African nations would make the best trading partner for the United States?
1 answer
23 views
he Sahara covers parts of which two of the following countries?
A. DR Congo B. Egypt C. Kenya D. Nigeria E. Sudan F. South Africa
1 answer
22 views
A tourist from Nigeria is visiting Nairobi, Kenya. What would the tourist have likely done before traveling?
A. exchange her rand
1 answer
52 views
How do investments in capital goods raise a country's gross domestic product?
A. by reducing unemployment B. by reducing natural
1 answer
42 views
Based on the information in this chart, which action by the Egyptian government would be most beneficial to domestic producers
1 answer
39 views
Which resource is largely responsible for Nigeria's economic gains?
A. coal B. diamonds C. lead D. oil
1 answer
29 views
What are the main causes of desertification in Africa? Select all that apply.
A. drilling for oil B. vehicle exhaust C.
1 answer
26 views
Which characteristics are more often shared by people belonging to the same ethnic group than people belonging to the same
1 answer
44 views
Use the table to answer the question.
What conclusion can be drawn based on the information in the table? A. Nigeria most likely
1 answer
21 views
Nelson Mandela and F.W. De Klerk both received the Nobel Peace Prize because
A. they created apartheid. B. they worked together
1 answer
106 views
Read the information in the box and answer the question.
Country X is a democratic country in West Africa. The economy of the
1 answer
32 views
Which obstacle is frequently faced by Sudanese boys trying to enroll in secondary school?
A. The national government does not
1 answer
31 views
All of the following are factors that contribute to desertification in Africa except
A. the draining of surface water. B. the
1 answer
22 views
The African savanna gets an average of 30–50 inches of rainfall each year. How does this affect the people who live there?
A.
1 answer
44 views
Read the text and answer the question.
The Berlin Conference of 1884–1885 was a part of the "scramble for Africa" that took
1 answer
38 views
Which African region's environment has been damaged the most by the logging industry and commercial farming?
1 answer
39 views
Look at the map of Africa.
Match each letter found on the map with the country whose location it represents. W X Y Z
1 answer
33 views
Arrange the regions of Africa in order of how much rainfall they receive, from the least to the most rainfall received in an
1 answer
113 views
How do people's agricultural practices affect the environment of sub-Saharan Africa?
A. Many farmers practice slash-and-burn
1 answer
34 views
Use the chart to answer the question.
Based on the information in the chart, which of these African nations would make the best
1 answer
33 views
hat type of economy do most African countries have?
A. mixed economies B. traditional economies C. pure market economies D. pure
1 answer
82 views
In 2010, an extreme drought occurred in the Sahel region in West Africa. This resulted in the scarcity of which two resources?
A.
1 answer
30 views
In which situation did a national government help a person increase his or her human capital?
A. Anita studied hard at her
1 answer
40 views
Use the graph to answer the question.
What conclusion can reasonably be drawn based on the information in the graph? A.
1 answer
39 views
What would be the best way for a government to improve the standard of living in its country?
A. nationalize the major industries
1 answer
34 views
What were the geographic, political, economic, and religious reasons Europeans colonized Africa? Explain your answer in ONE (1)
1 answer
35 views
12. How can you demonstrate good interpersonal abilities in group work? a. Taking on all the work yourself b. Listening to
1 answer
23 views
11. What is the role of an input device in a computer system?
A. To display program output B. To process instructions from a
1 answer
48 views
10. What is the first step in improving communication skills?A. Learn to Encrypt MessagesB. Identify Strengths and Areas for
1 answer
33 views
9. What part of a computer is responsible for storing data long-term?
A. CPUB. Hard Drive or SSDC. AlgorithmD. Decryption
1 answer
23 views
8. Which part of a computer performs calculations and executes instructions?A. CPUB. Hard Drive or SSDC. TrojanD. Algorithm
1 answer
45 views
When my Grandpa Wally passed away, Grandma Nini agreed to move in with my family. I volunteered to help her unbox all of her
1 answer
47 views
7. The smart pen can:
a) Write in multiple colors b) Record audio c) Translate text in real-time d) Sync handwritten notes
1 answer
29 views
What material is the odor-neutralizing bag
made of? a) Leather b) Bamboo c) Activated carbon d) Plastic
1 answer
41 views
5. Which eco-friendly invention was
highlighted? a) Biodegradable phone cases b) Reusable water bottles c) Solar-powered charger
1 answer
28 views
What problem does the compact washing
machine solve? a) Energy overuse b) Limited space c) Water leakage d) High noise levels
1 answer
28 views
2. What type of transportation innovation was
showcased in the video? a) Hoverboard b) Foldable electric scooter c) Solar-powered
1 answer
39 views
1. What is one of the primary features of the
self-healing screen technology? a) Water resistance b) Regeneration of cracks c)
1 answer
27 views
Which equation represents a proportional relationship?
y=r-4 y= r – 4 y = 4x+1 y=2 +4 y=2+4 y= 4.0
1 answer
233 views
effects of missionary activities in eastafrica
0 answers
237 views
PQ = X1 = 15 m.
X2 = hor. distance from Q to kite. Tan45 = h/X2 h = X2*Tan45 Tan35 = h/(X1+X2) h = (X1+X2)*Tan35 = (15+X2)*Tan35
1 answer
218 views
65% of trees in a park are pine trees. There are 26 pine trees in the park. How many trees are in the park?
1 answer
271 views
5% of trees in a park are pine trees. There are 26 pine trees in the park. How many trees are in the park?
1 answer
190 views
solve the simuteneous equation.a+2b=13,2a-3b=5
4 answers
286 views
You are trying to decide if you have enough money to retire. You are expecting $2,500 a month from Social Security. You have
3 answers
445 views
a solution (d=1.049g/ml) was prepared by mixing hexane (C6H14 / d= 0.659g/ml) with toluene (C7H8 / d= 0.867g/ml). Determine the%
1 answer
707 views
a force of 40n st stretches a wire through 3.0cm what force stretches it through 5.0cm and through what length will a force of
6 answers
530 views
Use implicit differentiation to find the points where the parabola defined by
x^{2}-2xy+y^{2}-8x+4y+20 = 0 has horizontal and
1 answer
977 views
the faces on a fair number cube are labeled 1,2,3,4,5, and 6. Steven rolls the number cube 48 times. how many times should
1 answer
1,087 views
A lifeguard who can swim at 1.2 m/s in still water wants to reach a dock positioned perpendicularly directly across a 550 m wide
1 answer
758 views
The force between two charges Q and q is 3.1 × 10−8 N when the two charges are separated by 3.0 m. Using the formula F = kQq
0 answers
837 views
How many atom of oxygen are present in 8.8g of carbon(iv)oxide
3 answers
890 views
I'd like to know how they come up with. The formula of hydrated copper sulfate
1 answer
478 views
Fred has 15 cows. John has twice as many cows as Fred had when Fred had as many cows as John has now. How many cows does John
3 answers
1,107 views
The specific heat capacity of iron is 0.45 j/g oC. how many joules of energy are needed to warm 1.3100000000000001 g of iron
3 answers
3,178 views
how do you convert volume of gas to moles of solid?
1 answer
375 views
0.43g limestone and 98cm3 of carbon dioxide are produced on reaction with excess hydrochloric acid. How much calcium carbonate
3 answers
465 views
what is the condensed formula for the product of the hydrogenation of 2-butene using a palladium catalyst?
1 answer
1,097 views
What reagent is commonly used for alcohol oxidation?
a. Na2Cr2O7 b.Benedict's Solution c.H2SO4 d. Tollen's Reagent
0 answers
699 views
iam a 3 digit number. my tens digit is five more than my ones digit. my hundreds digit is eight less than my tens. what number
2 answers
2,332 views
a ray of light strikes a rough surface such that the angle of incidence is 40.0. what is the angle of reflection
1. 0 degrees 2.
1 answer
1,549 views
microwaves with a wavelength of 15.0 cm strike a slit. What is the maximum slit width that will still result in a large amount
4 answers
1,963 views
which one of the following insects does not undergo the stage of egg,larva,pupa and adult?
A.Wasp B. Locust C. Bee D. Moth
1 answer
584 views
A farmer planted cabbages in rows. Each row had 36 cabbages planted at regular intervals of 0.5m.what is the length of each row?
3 answers
821 views
how many books each 1.5cm thick can be kept in a shelf 1.45m high
5 answers
2,392 views
Because he was bourgeois coddled despotic _______ as a child, Rob was a rather self-centered teenager.
dubious coddled despotic
4 answers
1,759 views
Which phrase or sentence in this excerpt from Kurt Vonnegut's "Report on the Barnhouse Effect" demonstrates the use of irony?
One
2 answers
4,776 views
A step-up transformer has 500 turns on its primary and 1000 turns on its secondary. When the primary is connected to 100 V and
1 answer
1,025 views
a football match was played for two hours. a man arrives late for the match. what is the probability that he misses the only
1 answer
826 views
A man holds a child on shoulders while watching a football match. How much work has he done if the game last for 2 hours
1 answer
714 views
A flywheel with a moment of inertia of 1.00kg m^2 is rotating at 100 rpm. What torque is required to bring it to rest in 10.0
1 answer
554 views
A college basketball player scored the following points in the 37 games he played his senior year:
Stem-and-leaf of points n = 37
3 answers
2,614 views
One-half of a number plus three-fourths of the number is 2 more than four-thirds of the number. find the number .
7 answers
4,361 views
The width of a picnic table is 3 times its length. If the length is 5
6 -yd long, what is the area of the picnic table in square
3 answers
1,110 views
1. Reich says, “When we see the contrast between the values we share and the realities we live in, that is the fundamental
1 answer
1,277 views
The perimeter of a rectangular field is surrounded by 94 meters of fencing. If the field is partitioned into two parts as shown,
1 answer
564 views
how to use formula b=p (1+r)^n, to calculate annual interests for a savings account in visual basic project
This is my code so
0 answers
440 views
someone tell me why this answer is wrong...u are given final wavelength of 0.0022 nm, u want to solve for the intial wavelength
0 answers
581 views
What is the charge on Pd when it is coordinated with triphenylphosphine? PPh3.
Pd(PPh3)4 .... Google tells me the PPh3 is a
0 answers
505 views
so the question is:
the weights of fish in a certain lake are normally distributed with a mean of 10, a standard deviation of 6.
2 answers
855 views
just wanted to know if this is a correct substitution,
we are given kinetic energy, and want the debroglie wavelength, that eq is
0 answers
393 views
I need to make a sentence using the word renaissance.
1 answer
415 views
what does this mean: is (a molecule) sigma or pi in symmetry? the molecule in question is c triple bond c. ....it has 2 pi bonds
3 answers
563 views
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