Mary has type a blood. her son bill has type ab. which blood type does bills dad have if hes homogenous for blood type?

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

Amap's orientation is typically determined by an

Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d