da

This page lists questions and answers that were posted by visitors named da.

Questions

The following questions were asked by visitors named da.

_____________figures are two-dimensional figures what is in the blank?

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 M HSCN.THE H+ in the resulting solution was manteined at 0.500.By spectrophotometric analysis of the equilibrium solution, the...

A florist wants to see if product x will extend the life of cut flowers so that they last longer. What is the independent variable

what are some methods of solving systems of linear equations

clear definition of important terms for substution and and example problem?

what steps someone would take to use your method (substitution)

what steps someone would take to use your method (substitution) and a clear argument stating the reason why your method is better than the other ones. (in other words, come up with a few good sentences that explain why you choose your method and why other...

find the slope of a line that passes through the following points. (4,5) and (3,0) using the perpendicular and parallel slopes write slope intercept form equations for both perpendicular and parallel lines all perpendicular lines pass through the point(2,...

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 circumcenter of BCO. What is the area of triangle ABC

you want to make a 0.5 m acetate buffer at a ph = 5.5. how much acetic acid and base should you mix

Mantle A)mouth parts that work as jaws B)a layer of skin-like material that in many animals can produce a shell C)a long appendage around the head of an animal used for holding or moving D)not moving from place to place; attached in a permanent location E...

Exoskeleton A)an outer covering that supports the soft inner tissues in an arthropod B)an ocean invertebrate having spiny skin C)an animal having no backbone D)an invertebrate animal with jointed legs and an exoskeleton E)an invertebrate animal that has t...

The animals without backbones are called _____. simple invertebrates strong complex vertebrates

Dorsal A)the rear; toward the rear B)the ability to move from place to place C)the back side; toward the back (or top) D)two-sided E)the front side; toward the front

sessile A)a long appendage around the head of an animal used for holding or moving B)a layer of skin-like material that in many animals can produce a shell C)mouth parts that work as jaws D)a section or part of an animal's body E)not moving from place to...

Vertebrate A)an animal having a backbone B)having to do with the front side (or bottom) C)sameness, balance, or harmony as a result of a repeated pattern D)the rear; toward the rear E)having a repeating pattern which stretches outward from the center

Invertebrate A)having a repeating pattern which stretches outward from the center B)an animal having a backbone C)an animal having no backbone D)the rear; toward the rear E)sameness, balance, or harmony as a result of a repeated pattern

Mandible A)a layer of skin-like material that in many animals can produce a shell B)not moving from place to place; attached in a permanent location C)a long appendage around the head of an animal used for holding or moving D)a section or part of an anima...

Coelenterate A)an animal having no backbone an invertebrate animal that has tentacles around its mouth an ocean invertebrate having spiny skin an invertebrate animal with jointed legs and an exoskeleton an outer covering that supports the soft inner tissu...

Select 5 that apply. These are the classes of vertebrates: Select all that apply. mollusks fish reptiles birds mammals amphibians arthropods

Select 4 that apply. The four characteristics that are common to all animals are: Ability to produce food Mobility Multi-cellular structure Inability to produce food Symmetry Asymmetry

Anterior A)the back side; toward the back (or top) B)the front side; toward the front C)the ability to move from place to place D)two-sided E)the rear; toward the rear

Tentacle A)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 moving from place to place; attached in a permanent location D)mouth parts that work as jaws E)a long appendage around the head...

The animals having backbones are called _____. simple complex invertebrates strong vertebrates

Gills A)made of cartilage, which is a strong, elastic connective tissue B)a deep sea fish with a skeleton of cartilage C)organs for breathing underwater, consisting of membranes through which oxygen can pass D)rounded, like something swollen E)a fin that...

The most familiar cartilaginous fish is the _____. salmon cod chimaeras whales shark

Bulbous A)an organ for breathing underwater, consisting of membranes through which oxygen can pass B)made of cartilage, which is a strong, elastic connective tissue C)rounded, like something swollen D)a deep sea fish with a skeleton of cartilage E)a fin t...

To generate regular reflection, the roughness of the surface must be ___ the wavelength being reflected. equal to more than less than

If the index of refraction is ___, then you know that the speed of light slowed down as the light traveled through the material. small large

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 faster? sapphire diamond

Would this material have regular reflection or diffuse reflection? regular reflection diffuse reflection

Decide whether the following is a Particle model, Wave model, or both. follows the Doppler effect Both Particle Wave

Decide whether the following is a Particle model, Wave model, or both. can reflect or refract Wave Particle Both

Decide whether the following is a Particle model, Wave model, or both. explains the photoelectric effect Both Wave Particle

Decide whether the following is True or False. If False, choose the statement that makes it True. Photons are nearly massless as particles. False; Photons have the same mass as protons as particles. True False; Photons are have no mass as particles.

Decide whether the following is True or False. If False, choose the statement that makes it True. Photons carry a large amount of energy. True False; Photons carry a small amount of energy. False; Only certain photons carry a large amount of energy.

Decide whether the following is True or False. If False, choose the statement that makes it True. A photon has less energy when its wave has a higher frequency. False; Frequency has no effect on a photon's energy level. True False; A photon has more energ...

Decide whether the following is True or False. If False, choose the statement that makes it True. Photons are used to measure the amount of energy in light. False; Photons are used to measure the amount of mass in light. True False; Photons are used to me...

Decide whether the following is True or False. If False, choose the statement that makes it True. One photon can excite many electrons. False; One photon can only excite one electron at a time. False; One photon can only excite up to two electrons at a ti...

Answers

The following answers were posted by visitors named da.

i have a homework

but the answer is 96

the teacher said i had to do substitution she said it was easier

@KS can you explain why it is m*g*tan(theta)?

why is Fx negative?

Thank you bw Now I'm tired need to sleep.

(9x10⁻⁴)(8x10⁷)

wth is going on here

Locomotion A)the back side; toward the back (or top) B)two-sided C)the rear; toward the rear D)the front side; toward the front E)the ability to move from place to place

The main part of the mollusk's body is called the _____ mass. crust tail polyp visceral medusa

The individual bones in the backbone, or spinal column, are called _____. tendons cartilage ACls vertebrae invertebrae

Echinoderm A)an ocean invertebrate with spiny skin B)an animal having no backbone C)an invertebrate animal that has tentacles around its mouth D)an outer covering that supports the soft inner tissues in an arthropod E)an invertebrate animal with jointed l...

Arthropod A)an animal having no backbone B)an invertebrate animal with jointed legs and an exoskeleton C)an outer covering that supports the soft inner tissues in an arthropod D)an ocean invertebrate having spiny skin E)an invertebrate animal that has ten...

Symmetry A)having a repeating pattern which stretches outward from the center B)the rear; toward the rear C)an animal having a backbone D)sameness, balance, or harmony as a result of a repeated pattern E)having to do with the front side (or bottom)

Segment A)mouth parts that work as jaws B)a long appendage around the head of an animal used for holding or moving C)not moving from place to place; attached in a permanent location D)a layer of skin-like material that in many animals can produce a shell...

_____ symmetry is exhibited by all vertebrates. Simple Composed Radial Bilateral Circular

The best known of the segmented worms are the _____. segmented worm roundworms flatworms earthworms unified worms

Coelenterate A)an animal having no backbone B)an invertebrate animal that has tentacles around its mouth C)an ocean invertebrate having spiny skin D)an invertebrate animal with jointed legs and an exoskeleton E)an outer covering that supports the soft inn...

Bilateral A)the front side; toward the front B)two-sided C)the back side; toward the back (or top) D)the ability to move from place to place E)the rear; toward the rear

Ventral A)sameness, balance, or harmony as a result of a repeated pattern B)having to do with the front side (or bottom) C)an animal having a backbone D)the rear; toward the rear E)having a repeating pattern which stretches outward from the center

radial A)an animal having a backbone B)sameness, balance, or harmony as a result of a repeated pattern C)having a repeating pattern which stretches outward from the center D)having to do with the front side (or bottom) E)the rear; toward the rear

Select 3 that apply. What are the 3 basic fish groups? hairless one gill bony cartilaginous jawless

Cartilaginous fish have _____ scales. placoid single caudal overlapping lateral

The largest kind of shark is the _____ shark. black white whale ray hammer

Cartilaginous A)an organ for breathing underwater, consisting of membranes through which oxygen can pass B)made of cartilage, which is a strong, elastic connective tissue C)rounded, like something swollen D)a fin that is a fish's tail E)a deep sea fish wi...