PLEASE ANSWER FAST!! :) Which of the following biogeochemical cycles can be influenced by human activity and cause eutrophication of a local water supply?
nitrogen cycle
water cycle
oxygen cycle
carbon cycle

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

The tubes transporting minerals and water upward are called ?