5. which of the following is a synthesis reaction? (2 points)
2h2 + o2 → 2h2o
2h2o2 → 2h2o + o2
caco3 → cao + co2
2agno3 + zn → 2ag + zn(no3)2

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

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

How hot is the suns corona? (integrated science)