What event marks the beginning of Earth's current era? O A. The emergence of human life
O B. A mass extinction
O C. The disappearance of land bridges
O D. The end of the last ice age

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

What shape would a molecule with two bound groups and two lone pairs have?