First eliminate choices C and D since they both mention that fact 1 is crossing over ( which is also referred to as genetic recombination) . So you're left with A and B and the correct answer is B .
Answer: Dr. Balduzzi says it's important to remember that sweat is your body's main evaporative cooling system -- kind of like an internal fan. If you're exercising in cold air, your body doesn't need to produce as much sweat to keep you cool.
Explanation:
The answer is B, because only plants have chloroplasts (which they use for photosynthesis) and cell walls (which protects and supports the plant cell)
Answer:
the correct answer is option ( B )
In firing a handgun, it is best to have protection in the eyes and ears. It could be seen to those people who are practicing shooting and to those who are authorize to use a hand gun. The reason why these are needed to be protected because firing a hand gun is loud enough that it could damage the ears when not protected and in the same time if eyes is not protected and the hand gun could have any complication or dysfunction, it could affect the eyes.
