Answer:
Prions are infectious particles that contain no nucleic acids, and viroids are small plant pathogens that do not encode proteins![.](https://tex.z-dn.net/?f=.)
I feel like the answer would be A because photosynthesis gives off energy and they don’t produce glucose
A gas because you need heat and pressure for a hot air ballon
Answer:
Calcium is a mineral that people need to build and maintain strong bones and teeth. It is also very important for other physical functions, such as muscle control and blood circulation.
Explanation:
Answer:
A
Explanation:
The brain stem is connects to the cerebrum with the spinal cord.