It blocked the suns harmful UV rays
Receptors in muscles provide the brain with information about body position and movement. The brain controls the contraction of skeletal muscle. The nervous system regulates the speed at which food moves through the digestive tract.Your muscular system is closely connected to the nervous system.
The stomata is a tiny pore found in plants that allows the exchange of gases. The stomata open and close to allow the intake of carbon dioxide and release of oxygen. Therefore, what happens when the stomata on a plant's are are open is that, oxygen and water escape the leaves and carbon dioxide enters it. The correct answer is option A.
Answer:
Since it has no charge it would have 20 electrons .