Th answer is D. They all help for how earth formed in climates.
A tree wouldn't be part of the environment of a goldfish.
The best way to avoid bacteria during food handling is wash your hands and clean surfaces before starting. Harmful bacteria can spread throughout the kitchen and get onto cutting boards, utensils, and counter tops. To prevent this: Wash hands with soap and hot water before and after handling food.
<span> The organism is better able to survive and pass on traits to offspring than competing organisms.
For example;
A population of orange and green beetles. A bird likes the green beetles much better, thus they eat the green beetles. The surviving beetles (orange beetles) pass on their trait to their offspring.</span>