This biome has cactus plants, less rainfall, and more sand. A) savannah B) desert c) tundra​

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

What is the most abundant vertebrate on earth?