Answer:
E
Explanation:
They need energy to do all these necessary feats.
Atmosphere<span>: the two gases that make up the atmosphere are nitrogen and oxygen .</span>
The controlled variable is an element that is not changed throughout an experiment, because it’s unchanging state allows the relationship between the other variables being tested to be better understood.
Answer:
<u>Red blood cell in humans -</u> it has no nucleus. Hence it offers the cell to carry more haemoglobin.
- they are disc shaped allowing them to pass through narrow capillaries.
<u>Root hair cells in plants-</u> they have a large cytoplasm which enables them to take water from the soil.
<u>White Blood Cells in humans -</u> they have lobed nucleus and so can change their shape to pass through narrow capillaries.
- <em><u>HOPE IT HELPS...</u></em>
