If you're outside and a tornado is headed your way, which of the following is the safest action to take?

a-find a tree to hold onto
b-find a ditch or low level to lie flat in
c-get inside your car and buckle yourself in
d-find any major heavy structure nearby to hold onto

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

Study this image which statement best describes the rock shown check all that apply

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia