Answer:
cell
Explanation:
A cell is defined as the smallest, basic unit of life that is responsible for all of life's processes. Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.
Answer:
\rB. nutrients that are essential cannot be made by the body, so they must be obtained from food.
Explanation:
If we look at the definition of essential fatty acids, it clearly states that these are fats which human body cannot prepare but are essential for proper functioning of body. Since body cannot synthesize them on their own, therefore we must obtain them through a diet rich in them. Two main essential fatty acids are:
- Alpha-linolenic acid (omega-3)
- linoleic acid (omega-6)
They play essential functions in body sucg as :
Production of hormones
Better adrenal and thyroid activity
Regulation of inflammatory and immune responses, function and development of brain.
Supporting the development of healthy skin and hair.
Option B is the best option.
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This is true. The impact of human on trees has been completely
negative. This includes deforestation which causing negative effects on the environment.
A massive scale of Earth’s forest has been cleared through deforestation. This
results to the damage of the land quality.
A dentist's chair works by using a hydraulic system. A large piston presses hydraulic fluid into tubes that vary in size. This piston allows the fluid to move into tubes and create lift.
Answer:
The answer is A.
Explanation:
Moth with dark wings under the tree with dark bark have a higher chance of surviving as its wings protect them from predator due to similar colour features.