Calculate the surface area of the egg (in μm2). the formula for calculating the surface area (sa) of a sphere is given below. sa = 4πr2 use 3.14 as the value for π . d=100

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder