Describe three observations an astronaut might make while viewing Russia at night.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

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