Help me I almost died with this question trust me

3. why do birds fly?

Which best summarizes the finding of avery? a. some traits are recessive. b. humans reproduce sexually. c. dna is a transforming factor. d. traits cannot be inherited.

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

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