What causes the shielding effect to remain constant across a period?

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

May someone me with these science questions

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude