A(n) is a collection of all of the abiotic factors and biotic factors in an entire region.

a) habitat
b) ecosystem
c) community
d) ecological niche

Acommon kind of mechanical weathering is called

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.