3. which of the following describes the role of proteins in living organisms? (1 point) control rate of reactions
regulate cells
form cell structures
transport substances
all of the above

can someone answer this i have been waiting sense last night

it has one origin of replication, but it proceeds in two directions - d)

explanation:

idk

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers