There are three major forms of fossil fuels and these are coal, oil and natural gas. All three were formed many millions of years ago before the time of dinosaurs.
Plants and trees died and sank to the bottom of swamps which filled the land. The dead matter formed layers of a spongy material called peat. Over time the peat was covered by sand, clay and other minerals which turned into sedimentary rock.
As the layers of rock piled up, their weight squeezed the peat until water came out of it and it eventually turned into coal, oil and natural gas.
Answer:
Mutations can create entirely new alleles in a population which changes the allele frequencies of a gene pool.
Hihi!
Embryonic stem cells <span>are capable of only limited differentiation! They</span><span> can become all cell types of the body because they are </span>pluripotent<span>. Also a</span>dult stem cells<span> are thought to be limited to differentiating into different cell types of their </span>tissue<span> of origin.</span>
I hope I helped!
-Jailbaitasmr
people procrastinate because they're avoiding something they know will make them emotionally unpleasant by doing that task, so instead, they do something that provides a temporary mood boost. Procrastination itself causes shame and guilt, leading people to procrastinate even further.
your physical abilities rely a lot on your mental strength, if you feel like you've been procrastinating, try doing things to boost your overall mental health.
Answer: Tissue that carries messages throughout our bodies is called nerves. Nerves conduct electrical impulses between the brain and brain stem to all parts