Answer:
Photosynthetic organisms provide food for humans as well as glucose and oxygen. All the food we eat either directly (if we eat a plant) or indirectly (if we eat an animal that eats plants or other animals) can be traced to photosynthesis. Actually, almost all organisms obtain their energy from photosynthetic organisms.
The Bond between oxygen and hydrogen is Covalent bond .. ( within the same water molecule)
The force between two or more watter molecules is hydrogen bond. ツ
Answer:
nucleic acid
Explanation:
<u>nucleic acid</u> is involved in how hemophilia is passed from parents to their children.
Answer:
serotonin
Explanation:
Recreational drug are drugs taken for enjoyment, or leisure purposes, they are drugs taken to altered state of emotions for pleasure, by changing the feelings, and emotions
examples are Alcohol, cigarette and cocaine
Serotonin is a chemical induced in the human body due to drugs taken. It help regulate emotions, feelings, appetite and digestion, sleep, and memory.
