Explanation:
members of the same species battle each other to protect their young
The correct answer is C - it is only seen in homosexuals who have intimate sexual contact with homosexuals
Explanation - anyone and everyone can get aids
Answer:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration.
Explanation:
The products of Photosynthesis are the reactants of Cellular Respiration and vice-versa. It is also shown in the equation;
Photosynthesis:
= 
Carbon Dioxide + Water + energy from light = Glucose + Oxygen
Cellular Respiration: 
Glucose + Oxygen = Carbon Dioxide + Water + ATP
The answer to this question would be: paranasal sinus.
There are a few sinuses near the face area. The sinus can be classified based on the bone that makes then to sinus maxillae, ethmoid, sphenoid and frontalis. This structure frequently gets infected causing sinusitis. Sinusitis patient can complain pain or feel the sinus got filled with some liquid.
Answer: c. grass (producer)