Basically, humans use lot's of energy for heating, lighting, movement, and machines, that energy has come from and energy source. Some sources are renewable, and some are None-Renewable. In general as a Non-Renewable source are fossil fuels. These come from under the ground meaning that there not usable. There can be a fixed amount of coal, oil, and gas in the world and when we use this energy then its gone and there is no coming back.
-Hope this helps .
The events of excitation-contraction coupling in cardiac muscle cells are similar to skeletal muscle cells through electrical activity. <span />
Answer:
Hi! Well a population is a group of organisms that are the same species and live in the same area and they interact with each other! A community is where different populations of species live in the same area and interact with each other!
So the answer is population! Stay safe!! <3
Answer:
Go
Explanation:
Dont go fishing when its windy
Sirius B is brighter than the sun.