Life on Earth is carbon-based. Carbon is a IVa (14) element. How many bonds does carbon want to make? * 3
2
1
4

4

Explanation:

answer: the rate of diffusion increases with increase in temperature.

increase in temperature, increases the molecular/particles speed (kinetic energy. diffusion means movement of particles through the material.

generally, the heavier the particle the more it interacts with the environment and more the temperature matters. so higher temperature results in higher diffusion.

i think it's c. i'm not sure but i think so.