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Colt1911 [192]
3 years ago
13

PLEASE HELP!! WILL GIVE BRAINLIEST!!! DUE NOW!

Biology
2 answers:
Travka [436]3 years ago
7 0

The answer is B: Water breaks down into oxygen molecules for respiration.

Vladimir79 [104]3 years ago
3 0

Water breaks down into oxygen molecules for respiration. is your answer

Note a couple of quotes:

"... have lungs for breathing,... they also absorb dissolved oxygen..."

"This allows respiration to occur when they are underwater."

________________________________________________________

These two quotes show that water helps frogs get oxygen, (which is essential to the living organism)

~

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Josh did an experiment, recording the changes in temperature in sand and water when exposed to a light
8_murik_8 [283]

ANSWER:

D

EXPLANATION:

Both of their temperatures stay about the same throughout the experiment.

3 0
3 years ago
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Which microscope is used to observe a specimen that emits light when illuminated with an ultraviolet light?
jonny [76]

Answer: Fluorescence microscope

Explanation:

The basic function of a fluorescence microscope is to irradiate the specimen with a desired and specific band of wavelengths. A fluorescence microscope uses a mercury or xenon lamp to produce ultraviolet light. The light comes into the microscope and hits a dichroic mirror. The dichroic mirror reflects the ultraviolet light up to the specimen. The ultraviolet light excites fluorescence within molecules in the specimen. The objective lens collects the fluorescent-wavelength light produced. This fluorescent light passes through the dichroic mirror and a barrier filter, making it to the eyepiece to form the image.

6 0
3 years ago
Sharks have existed on Earth for centuries, even thousands of years with very little change to their structure. Why do you think
iris [78.8K]

Answer:

Sharks, in their basal form have been on Earth for hundreds of millions of years.  They were the first to develop a stream-like, torpedo shaped body and created a niche for themselves. Their aerodynamic body shape has evolved to allow for efficient and dynamic movement in water. Having a cartilage instead of bones allowed them to grow large and still be relatively light and buoyant . After they've evolved flexible, protruding jaws, there wasn't much to change. They were able to adapt and exploit all the water habitats as the world was changing.

Explanation:

6 0
3 years ago
HELP GIVING BRAINIEST!
Solnce55 [7]

Answer:

so like a plant that loses leaves in the fall does so because it won't have sun in the winter. then they grow back. it adapts to the environment

6 0
3 years ago
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How does capillary action help sustain life on earth?
Yakvenalex [24]
Answer: A - Uptake of food and water by plants

The xylem vessels in the roots of the plants use the mechanism of capillary action and work against gravity to pull water molecules and nutrients from the soil and carry them upwards to the leaves of the plant to provide nourishment to the plant.
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