It a rock form from extrusive rock such as the follow of lava
Answer:
HYDRA
Explanation:
The nerve cells are scattered in each layer of the body wall and these neurons send information from sensory organs. Based on the given choices above, the organism that has a nerve net that allows it to respond to a stimulus in a coordinated way is the HYDRA.
Sulfuric Acid is a diprotic acid and as such a binary acid. This is because it possesses two hydrogen as denoted by its formula H₂SO₄
Hydrochloric Acid - HCl
Phosphoric Acid - H₃PO₄
Nitrous Acid - HNO₃
The answer A. DNA in the nucleus controls all cell activity.