20 points+ Brainliest A sturdy metal cylinder used for scuba diving is filled with air. The air in the cylinder is heated but the gas is not able to expand. Which type of process has occurred?

A. Isobaric
B. Isothermal
C. Isochoric
D. Adiabatic

Four objects are being tested to see how they are affected by fluid friction. object w has a surface area of 4.5 cm2, object x has a surface area of 2.5 cm2, object y has a surface area of 6.2 cm2, and object z has a surface area of 3 cm2. which object would experience the most fluid friction?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Select the correct answer. what does the process of natural selection involve?