Answer:
C. Yes, the results of his experiment were probably inaccurate the
first time.
Answer:
fals I think sorry if it's wrong
I. The climate of a place affects the migration of migration of people
Answer:
B. 0 N
Explanation:
Lemme know if this is right main
Answer;
-Helium atom
Explanation;
-An alpha particle is identical to the nucleus of a helium atom.
-Alpha particle is one type of particles emitted during a radioactive decay, others being gamma and beta particles. Alpha particles are produced during the process of alpha decay.
-When an alpha particle is generated during a radioactive decay, the mass number of the radioactive particle increases by 2 while the atomic number increases by 4.
