Which is the first step in building a solar system from a solar nebula?

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

Which organism can most likely be classifild as domain bateria

Which of the following is the scientific term for an organism that makes its food from inorganic materials? a. autotroph b. heterotroph c. embryotroph