Answer:
The study of oceans and their life.
Explanation:
The study of oceans, including seawater, the ocean floor, and marine plants and animals.
The answer is concentration gradient. Have a good day.
The answer would be Activational <span />
Answer:
I am in high school but put me in as collage!
Explanation:
B. Astronomy
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Answer:
The <u>nuclear envelope</u> is composed of two concentric lipid bilayer membranes separated by an intermembrane space of about 20-40 nm. The outer membrane is continuous in many places with the rough endoplasmic reticulum. Like the rough ER the outer membrane of the nuclear envelope is dotted with ribosomes.