It is impossible for humans to be at the bottom of the food chain. a. true, because plants do not undergo cell respirationb. false, because humans are omnivoresc. true, because humans are not producers d. false, because humans carry out photosynthesis

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

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