Answer: Positive charge of 1
Explanation: This is because it is believed that it is from the charge of the quarks that make up the nucleons which are protons and neutrons.
D, the black squirrels have survived because black has provided them with an advantage in this environment.
Answer:
Cell membranes are composed primarily of fatty-acid-based lipids and proteins.
Explanation:
Answer:
A question is developed from some observations and the hypothesis is a tentative explanation for that
Explanation: