Questions and answers by

da

Questions (43)

Decide whether the following is True or False. If False, choose the statement that makes it True.One photon can excite many
1. 0 answers
2. 109 views
Decide whether the following is True or False. If False, choose the statement that makes it True.One photon can excite many
1. 0 answers
2. 113 views
Decide whether the following is True or False. If False, choose the statement that makes it True.Photons are used to measure the
1. 1 answer
2. 138 views
Decide whether the following is True or False. If False, choose the statement that makes it True.A photon has less energy when
1. 1 answer
2. 151 views
Decide whether the following is True or False. If False, choose the statement that makes it True.Photons carry a large amount of
1. 1 answer
2. 131 views
Decide whether the following is True or False. If False, choose the statement that makes it True.Photons are nearly massless as
1. 1 answer
2. 137 views
Decide whether the following is a Particle model, Wave model, or both.explains the photoelectric effect Both Wave Particle
1. 1 answer
2. 106 views
Decide whether the following is a Particle model, Wave model, or both.can reflect or refract Wave Particle Both
1. 1 answer
2. 94 views
Decide whether the following is a Particle model, Wave model, or both.follows the Doppler effect Both Particle Wave
1. 1 answer
2. 104 views
Would this material have regular reflection or diffuse reflection?regular reflection diffuse reflection
1. 1 answer
2. 100 views
A diamond has an index of refraction of 2.4, and a sapphire has an index of refraction of 1.7. In which material will light move
1. 1 answer
2. 155 views
If the index of refraction is ___, then you know that the speed of light slowed down as the light traveled through the material.
1. 1 answer
2. 93 views
To generate regular reflection, the roughness of the surface must be ___ the wavelength being reflected.equal to more than less
1. 1 answer
2. 95 views
BulbousA)an organ for breathing underwater, consisting of membranes through which oxygen can pass B)made of cartilage, which is
1. 3 answers
2. 168 views
The most familiar cartilaginous fish is the _____.salmon cod chimaeras whales shark
1. 3 answers
2. 104 views
GillsA)made of cartilage, which is a strong, elastic connective tissue B)a deep sea fish with a skeleton of cartilage C)organs
1. 3 answers
2. 147 views
The animals having backbones are called _____.simple complex invertebrates strong vertebrates
1. 3 answers
2. 122 views
TentacleA)a section or part of an animal's body B)a layer of skin-like material that in many animals can produce a shell C)not
1. 1 answer
2. 120 views
AnteriorA)the back side; toward the back (or top) B)the front side; toward the front C)the ability to move from place to place
1. 5 answers
2. 107 views
Select 4 that apply.The four characteristics that are common to all animals are: Ability to produce food Mobility Multi-cellular
1. 3 answers
2. 124 views
Select 5 that apply.These are the classes of vertebrates: Select all that apply. mollusks fish reptiles birds mammals amphibians
1. 1 answer
2. 187 views
CoelenterateA)an animal having no backbone an invertebrate animal that has tentacles around its mouth an ocean invertebrate
1. 3 answers
2. 151 views
MandibleA)a layer of skin-like material that in many animals can produce a shell B)not moving from place to place; attached in a
1. 5 answers
2. 127 views
InvertebrateA)having a repeating pattern which stretches outward from the center B)an animal having a backbone C)an animal
1. 1 answer
2. 137 views
VertebrateA)an animal having a backbone B)having to do with the front side (or bottom) C)sameness, balance, or harmony as a
1. 5 answers
2. 131 views
sessileA)a long appendage around the head of an animal used for holding or moving B)a layer of skin-like material that in many
1. 3 answers
2. 117 views
DorsalA)the rear; toward the rear B)the ability to move from place to place C)the back side; toward the back (or top)
1. 3 answers
2. 126 views
The animals without backbones are called _____.simple invertebrates strong complex vertebrates
1. 3 answers
2. 117 views
ExoskeletonA)an outer covering that supports the soft inner tissues in an arthropod B)an ocean invertebrate having spiny skin
1. 3 answers
2. 143 views
MantleA)mouth parts that work as jaws B)a layer of skin-like material that in many animals can produce a shell C)a long
1. 5 answers
2. 138 views
A baseball approaches home plate at a speed of 40.0 m/s, moving horizontally just before being hit by a bat. The batter hits a
1. 0 answers
2. 541 views
you want to make a 0.5 m acetate buffer at a ph = 5.5. how much acetic acid and base should you mix
1. 2 answers
2. 607 views
BC is a chord of a circle with center O and area 48pi. Point A is inside BCO such that ABC is equilateral and A is the
1. 1 answer
2. 556 views
find the slope of a line that passes through the following points. (4,5) and (3,0) using the perpendicular and parallel slopes
1. 1 answer
2. 853 views
what steps someone would take to use your method (substitution)and a clear argument stating the reason why your method is better
1. 3 answers
2. 616 views
what steps someone would take to use your method (substitution)and a clear argument stating the reason why your method is better
1. 0 answers
2. 599 views
what steps someone would take to use your method (substitution)and a clear argument stating the reason why your method is better
1. 0 answers
2. 451 views
what steps someone would take to use your method (substitution)
1. 1 answer
2. 445 views
clear definition of important terms for substution and and example problem?
1. 1 answer
2. 655 views
what are some methods of solving systems of linear equations
1. 2 answers
2. 820 views
A florist wants to see if product x will extend the life of cut flowers so that they last longer. What is the independent
1. 1 answer
2. 1,040 views
A STUDENT STUDYING THE FE+3- HSCN equilibrium put into a test tube 10.00ml of 2.00 x 10-3 M Fe(NO3)3 with 10.0 mL of 2.00 x 10-3
1. 0 answers
2. 642 views
_____________figures are two-dimensional figureswhat is in the blank?
1. 2 answers
2. 460 views