I hope this helps
gymnoseperms meaning "naked seeds" are a diverse group of seed plants and are paraphyletic. paraphyletic groups are those in which not all members are descendants of a single common ancestor. gymnoseperm seeds are not enclosed in an ovary; rather, they exposed in cones or modified leaves
A hypothesis Is when someone thinks of the answer and a theory is when a group of people think of an answer
Because 40= 20x2, in order to keep the ratio consistent Megan would need 1/2 of 71 g of chlorine which is 35.5, right?
The answer is oil.
The United States' fossil shortage of oil makes the country dependent on outside sources. Mineral oil such as crude oil or commonly known as petroleum came from the ancient fossilized organic materials. This resource is limited. The US is now facing a shortage in oil and becoming dependent to some countries such as middle-east countries.