Bat wings are made of a rubbery substance while eagles wings are covered in feathers
It has11 protons and neutrons atomic number=11 mass=22
Answer:
1.
Explanation:
This is because the liquid has more energy than the solid, and plus If you heat it up then the particles will speed up.
The correct answer is 2. By a feedback loop.
Hormone levels in the body is regulated by negative feedback mechanism. In this mechanism, a stimulus stimulates the release of a substances. After the effect of that substance its further release is inhibited. This can be understood by an example, the anterior pituitary gland stimulate the thyroid gland to release thyroxin and on increasing the thyroxin in the blood, feedback the hypothalamus and anterior pituitary to inhibit further release of thyroxin from thyroid gland.
In short, because the UV rays damage skin cells, which increases the risk of a mutation possibly leading to skin cancer.
Hope this helps.