Cobalt-60, used sterilize medical equipment, has has a half-life of 5.3 years. Determine the mass of a 150.00 gram sample that would remain after? Show your work. A) One month
B) 10 Years

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

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.

Why should organisms reproduce more offspring than will survive? select all that apply.