According to demographers, zero population growth occurs during the process of demographic transition when the crude birth and death rates are simultaneously low.
the crude birth and death rates begin to increase rapidly.
the crude death rate is higher than the crude birthrate.
the total fertility rate falls below the crude birthrate.
the total fertility rate rises above the crude death rate.

Willing to give brainliest + free points answer quickly a tire without good traction has less a. grip on the road b. grip on the axle c. air in it d. risk of exploding

Can you me with this question? i don’t understand.

6. a researcher decides to isolate thylakoid membranes and add protons to the space inside the thylakoids by soaking the thylakoids in acetic acid, which diffuses through the membrane, and then washing the thylakoids very quickly. what will happen? • a. the scheme will run in reverse. • b. atp will be able to be made without light. • c. light will be emitted by the thylakoids. • d. the membranes will dissolve.