Which of the following is an example of biological weathering?
a. plant roots growing through rock
b. water freezing in the cracks of rocks
c. oxygen reacting with the minerals in rock
d. rocks breaking from thermal expansion?

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?

In a class of 20 students, what democratic form of governance makes the most sense