If an egg is in one of the fallopian tubes, approximately how many sperm will surround it and try to cross the egg cell's membrane? a. hundreds b. thousands c. millions d. billions

What are two reasons for why a species might disappear from the fossil record?

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front