Answer: The frequency at which new species emerge and are lost over evolutionary time is established by the rates of speciation and extinction.
Heat<span> can also be </span>transferred<span> by the </span>movement of fluids, <span>liquids and gases. Convection is </span>heat transfer<span> by the </span>movement<span> of </span>currents<span> within a </span>fluid<span>. During convection, </span>heated<span> particles of </span>fluid<span> begin to flow. When a </span>liquid<span> or gas is </span>heated<span>, the particles </span>move<span> faster and spread apart.
Please out me on brainlest.</span>
I think it’s D because there is no need to take them if you are not pregnant