Answer:
Global warming is caused by greenhouse gasses. I am 100% sure.
PLEASE GIVE BRAINLIEST AND WATCH OUT BEHIND YOU
Answer:
La Tierra primitiva no tenía una atmósfera o agua libre. El planeta estaba demasiado caliente para que los gases y el agua se acumularan.
Explanation:
Answer is C Anaguzman is right i was wrong so i put up this so as not to confuse anyone.
Answer:
the structure is external gills
Explanation:
Answer:Self-assembly into a simple membrane
Explanation:
The cell membrane is the biological membrane that separates the interior of the cell to the exterior of the cell.
The cell membrane is made of lipid by-layer. The first cell membrane was made of lipids. It is so because it has the ability to assemble and form a membrane like structure.
It helps in entry and exit of the substances from inside of the cell to outside and vice versa.
