Answer:
Whales are mammals and do not have gills, so they cannot take the dissolved oxygen that is in the water and turn in into a oxygen that they can breath.
Explanation:
Answer:
Option-D
Explanation:
Parkinson's diseases are a neural disorder which affects the movement of the human body. The disease is caused by the low production or no production of dopamine by the neurons which thus interfere with the impulse transfer and thus movement.
In the given question, the patient with Parkinson's disease is provided with levodopa but no improvement is observed therefore the prescriber must change the drug regimen, for example, the levodopa should be given in combination with carbidopa. These medications enter the blood-brain barrier and get converted to the dopamine.
Thus, Option-D is the correct answer.
<u><em>Answer:</em></u>
<u><em>Combustion</em></u>
<u><em>Explanation:</em></u>
<u><em>The step in the carbon cycle didn’t really exist before the industrial revolution was Combustion</em></u>
<u><em /></u>
<u><em>please mark me brainliest <3</em></u>
A) is your best answer.
Relative Dating gives the 'relative dating', which allows one to find the difference of age between many different of fossils. However, radioactive dating is used to get a more exact measurement of a fossil, but it can only be used for certain types of fossils.
hope this helps
Answer:
The answer is <u>Memory trace.</u>
Explanation:
- <u><em>a hypothetical permanent change in the nervous system brought about by memorizing something; an engram.</em></u>
