Which of the following BEST describes an atom? a
protons and electrons grouped together in an alternating pattern
b
protons and electrons grouped together in a random pattern
c
a core of electrons and neutrons surrounded by protons
d
a core of protons and neutrons surrounded by electrons

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology

2polnis which of the following is an advantage of an in vitro experiment?me