White tip reef sharks spend most of the day lying on the ocean floor. While remaining still, these sharks pump water across their gills. The movement of water across their gills is necessary for — A) staying cool
B) accessing food
C) obtaining oxygen
D) avoiding predators

Answers

Answer 1
Answer:

Answer:

The answer is C

Explanation:

Because in order for it to breath well it needs to move its gills

Answer 2
Answer:

Final answer:

White tip reef sharks pump water across their gills to obtain oxygen.

Explanation:

White tip reef sharks spend most of the day lying on the ocean floor. They pump water across their gills while remaining still, as the movement of water across their gills is necessary for obtaining oxygen. Gills in fish, including sharks, absorb oxygen from the water as it passes over them. Sharks have well-developed sense organs that aid them in locating prey, including a keen sense of smell and the ability to detect electromagnetic fields.

Electroreceptors called ampullae of Lorenzini allow sharks to detect the electromagnetic fields that are produced by all living things, including their prey. The lateral line is used to detect movement and vibration in the surrounding water, and is often considered to be functionally similar to the sense of 'hearing' in terrestrial vertebrates.

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In which level of the atmosphere is ozone concentrated? A)mesosphere
B)troposphere
C)stratosphere
D)thermosphere

Answers

The stratosphere is the second layer of the atmosphere, and it is located between the troposphere and the mesosphere. The stratosphere is where the ozone layer is located. Hence option C is correct.

The ozone layer is a region of the stratosphere that contains a high concentration of ozone gas. Ozone is a molecule that is made up of three oxygen atoms. The ozone layer is important because it absorbs harmful ultraviolet radiation from the sun.

The troposphere is the lowest layer of the atmosphere, and it is where most of Earth's weather occurs. The mesosphere is the third layer of the atmosphere, and it is located above the stratosphere. The thermosphere is the fourth layer of the atmosphere, and it is located above the mesosphere.

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Answer:

First of all i love your profile pic. Answer its he Ozone is concentrated in Stratosphere. About 90% of the stratosphere is concentrated with ozone. Remaining ozone in the lower region is Troposphere.

Explanation:

The answer is C.

Please need some help ?

Answers

Argon (Ar) is in group 18. Argon ____.

has properties similar to other elements in group 18

does not react readily with other elements

is part of the noble gas group

Where is the genetic information found in a eukaryotic cell

Answers

The nucleus is where genetic information is found.

Answer:

Nucleus

Explanation:

Which describes interactions between substances and stomata during photosynthesis? Choose all that apply.Oxygen enters stomata.
Oxygen is released through stomata.
Carbon dioxide enters stomata.
Carbon dioxide is released through stomata.
Hydrogen enters stomata.
Hydrogen is released through stomata.

Answers

Answer:

It's only oxygen is released through stomata and carbon dioxide enters the stomats

Explanation:

I took the test ✌

Answer:

Its B and C

Explanation: