Teens experience mental and emotional changes during adolescence because their brains experience significant changes before and during puberty. A. True

B. False

Ascientist finds an organism that cannot move it has many cells produces spores and gets food from its environment in which kingdom does it belong explains

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

Viral infections in plants ) can be controlled with antibioticsb) can spread within a plant via plasmodesmata c) have little effect on plant growthd) are not spread by animals