1. The density of an substance stays the same. It is not a dependent on the size of the amount of the substance True or false

2. A cooper wire is a good example of electrical conductivity because
A. cooper does not conduct electricity
B. Electrical conductivity is not physical property
C. Electricity can flow through copper

PLEASE ANSWER ILL MARK YOU BRAINLIEST

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?

Summarize the president's/vice president's roles and responsibilities in 8 sentences

When a rock is mechanically weathered, the surface area of the rock is increased, which allows a greater amount of chemical weathering to occur. the surface area of the rock is increased, which hinders chemical weathering. the volume of the rock is decreased, which hinders chemical weathering. the volume of the rock is increased, which allows a greater amount of chemical weathering to occur. the surface area of the rock is decreased, which allows a greater amount of chemical weathering to occur