Answer: The role of substance A in photosynthesis is: it combines with water to form glucose.
Explanation:
True Minerals are naturally occurring and not manufactured. However, please show the answer choices so I could answer it.
1.Most aquatic animals have fins or paddles that help them swim
2. Skin is usually slippery and soft
Endocrine system regulation slowly happens but produces long-lasting effects, whereas nervous system regulation quickly takes place with short-term effects.
Endocrine system can regulate many things in the body that control the metabolism. The effect shouldn't be instant, but it should be good for long term effect. Nervous system need a much faster reaction because it responsible for "fight or flight" reaction. A slow nervous system will cause the organism caught by predator easier.