Answer:
Proteins
Explanation:
allow big or charged particles through the membrane
Fish take water into their mouth, passing the gills just behind its head on each side.
Answer:
It is A) Problem
Explanation:
It is asking something and I took the quiz
Answer:
Devices used to convert thermal energy to mechanical energy are called heat engines.
The answer is heat engines.
Hope this helps, have a wonderful day/night, stay safe, happy holidays, and merry christmas!