Answer:
I think the answer is
D. The planet is extremely hot.
Explanation:
It's because there is no water left on the surface, which helps cooling down the planet and the atmosphere contains thick and excessive carbon dioxide which traps the heat, causing the planet to heat up.
A concentration gradient is a process of particles, which are sometimes called solutes, moving through a solution or gas from an area with a higher number of particles to an area with a lower number of particles. The areas are separated by a membrane.
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The cell is most likely in: <span>a plant cell in the process of cytokinesis.</span>
The three most common bacterial cell shapes are cocci (spherical, from the Greek word for seed/berry), bacilli (rod-shaped, from the Greek word for staff), and spirilla (curved shape, from spiral).