Answer:
Kettles form when ice detaches from a glacier. Eventually, it becomes wholly or partially buried in sediment and slowly melts, leaving behind a pit.
To support abiotic and biotic life forms.
Answer:
Survival
Explanation:
Survival which is greatly an influencing factor in natural selection depends on ability of animals or human to adapt to the environment.
If the mass of object increases, the weight will stay the same. The weight is a factor which is dependent on gravity, while mass is a constant.