Maria are flat areas on the moon’s surface.
true or false ? ?

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Which type of respiration takes place when there is no oxygen present

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass