Name at least 3 different body systems and how they are being used while you walk and eat pizza at the same time. Try to include specific details about the organs in the body systems and how they work together. Please answer using your own words in complete sentences. HELP ME ASAP PLS.

Why do you think water is so important to living things

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.