Answer:
The organisms at the base of the food chain are photosynthetic.
Explanation:
NSF international because it’s the public health and safety organization
A pathogen is a disease carrying vector that has the ability to spread using a variety of different mechanisms. A pathogen that is a contagion has the ability to spread through touch. An example of such a pathogen would be the one that results in staph infections.
Sometimes some questions don't have a submit button. This happened to me and I know that you just have to move onto another question. Then when you find one that has an answer button you type in you answer and press the answer button for points.
3 or 4 because asexuals feel 0 sexual attraction