Answer:
ans is 24
Explanation:
We know that,
Cube = 6 sides
Surface Area of a cube = 6s²
=> 6s²=6×2²
=6×4
=24
The third one is the right answer.
Mutations appear randomly and these mutations can either have possitive, negative or neutral impact on the individual's survival. The environment of the individual amongst other factor determine the net effect of the mutation. For example:
A mutation on a shade plant for bigger leaves would have a possitive impact on the plants survival due to the increase of the photosynthetic tissue area. On the other hand the same mutation on a desert plant would have a negative impact on the plant's survival due to the increase of the leaf area which leads to increased water evaporation off the plant.
Photosynthesis allows plants to take in sunlight, water, and carbon dioxide to make energy for themselves, a type of sugar called glucose.
Glucose =
The other thing that is made from photosynthesis is oxygen.
Without oxygen, we would not be able to live on earth.
Hope this helps!
Answer:
your answer is b cells are white blood cells that work by producing antibodies, whereas t cells attack foreign invaders directly.
Explanation:
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