Answer:
the time required for one half of a sample of a radioisotope to decay
Answer:
D
Explanation:
hydrogen is stable and the seven neutron of nitrogen will bond with hydrogen making them polar
This theory was first proposed by Nicklaus Copernicus. Copernicus was a polish astronomer. He first published the heliocentric system in hes book: De revelation erbium comestible, "In revelations of the heavenly bodies," which appeared in 1543. HOPE IT HELP:)
Answer:
Useing aresol cans like hair spray
Explanation: hair spray has aresol which hurts the ozone layer
Answer:
Pin cone 2 has more kinetic energy because objects that weigh more have more kinetic energy
Explanation:
np give brainliest and thank now!
