Which describes nuclear fusion?(1 point)

Question

Responses

starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms
starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms

starts when two atoms slam together, causing the larger atom to split into two smaller atoms
starts when two atoms slam together, causing the larger atom to split into two smaller atoms

starts when a neutron slams into an atom, causing two atoms to form one, heavier atom
starts when a neutron slams into an atom, causing two atoms to form one, heavier atom

starts when two atoms slam together to form one, heavier atom

Answer 1

starts when two atoms slam together to form one, heavier atom

Answer 2

Which describes nuclear fission?(1 point)
Responses

starts when a neutron slams into an atom, causing two atoms to form one, heavier atom
starts when a neutron slams into an atom, causing two atoms to form one, heavier atom

starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms
starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms

starts when two atoms slam together, causing the larger atom to split into two smaller atoms
starts when two atoms slam together, causing the larger atom to split into two smaller atoms

starts when two atoms slam together to form one, heavier atom

Answer 3

starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms

Answer 4

What does the evidence supporting the Big Bang theory assume about the universe when it began? Select the two correct answers.(1 point)
Responses

It was composed of ice.
It was composed of ice.

It was extremely hot.
It was extremely hot.

It was very tiny.
It was very tiny.

It was contracting

Answer 5

It was extremely hot.
It was very tiny.