Alpha helix and beta sheets are the secondary structure of protein
Answer:
Hot material near Earth's surface is more dense and sinks, and when it cools, it becomes less dense and rises.
Explanation:
Convection is a process by which less dense material rises and more dense material sinks near Earth's surface. Water, air, rocks and other materials expands when temperature rises and they become less dense. When the water is heated it becomes vapors and carries away thermal energy from the water.
'The Sedimentary rock formed from years of sediments piling on top of it and being compressed.'
<span>. increase distance , increase force.</span>
The answer is -1. 2 subtraction signs next to each other for an addition sign