Answer:
Temperature changes can also contribute to mechanical weathering in a process called thermal stress. Changes in temperature cause rock to expand (with heat) and contract (with cold). As this happens over and over again, the structure of the rock weakens. Over time, it crumbles.
Explanation:
i think this will help you
Most of the water in the colorado river originates from the Glen Canyon Dam in northern Arizona causing natural runoff precipitation and melting snow coming from the mountains of colorado in Wyoming, Utah and New Mexico.
The correct answer is - microscope.
In order to be able to compare and study close up looks of feathers from different types of birds, Amira will need to use a microscope. The purpose of the microscope is exactly that, to be able to see close up looks and compare and study the things better, and since the microscope has the ability to zoom in multiple times it is the perfect tool for it.
Answer: I would say A. Correct me if I'm wrong. I forgot the actual answer when I had this question but my explanation might help you out a little bit.
Explanation:
(From Google)
A food web consists of many food chains. A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.
They are formed when magma from within the earths upper Mantle works it’s way to the surface
