If measurements of a gas are 75n 300 kpa and then the gas is measured a hey second time and found to be 50 l, describe what had happen to the pressure include which law supports this observation

Most scientific questions are based on opinions. hypotheses. observations. experimental data.

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

How can an organ, such as the lungs, work for multiple body systems?