When an atom has gained an electron it

becomes a cation.

becomes a different isotope of the same element.

has a different atomic number.

becomes an anion.

Which statement describes the cyclic nature of seafloor spreading? Continents are created. New oceanic crust is created. Volcanoes erupt and produce more crust. Old crust gets thicker at subduction zones. O

How do the walls of the atria compare with the walls of the ventricles

The remains of organisms that once lived that provide information about evolution are?

Selectively permeable membranes allow only certain materials to pass through them. t/f?

How do enzymes affect the activation energy of a reaction

Which life cycle describes a plant that reproduces asexually and sexually? A. egg + sperm → embryo → adult with all its chromosomes → gametes → adult; gametes produce an organism with half the chromosomes B.

What would happen to the mass of a cell in a hypertonic, isotonic and hypotonic?

How do air and water movement, and land masses affect the climate

Under what circumstances does membrane transport always require energy?

What is one disadvantage of using plasma gasification to detoxify hazardous waste?