Which of the following is a ballistic stretching exercise?
A calf stretch
B. arm circles
C. yoga plow
D. hurdle stretch
Please select the best answer from the choices provided.

The answer is B: arm circles

What is the relation between concentration of reactants and the rate of chemical reaction?

Stage in which a typical star has completely stopped fusion

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2