When a car is going downhill, the driver must apply more pressure on the brakes to stop than if the car were on level ground. why?

Which societal problem can be solved, in part, by scientists identifying areas of high biodiversity?

Gases are unique because it is the only phase that can be compressed can flow is composed of moving particles cannot be compressed

Why are mechanical mixtures are sometimes called heterogeneous mixtures?

The chemical formula of glucose is C6H12O6 so it is classified as a [n] A. solution B. mixture C. element D. pure substance

The model below shows an atom of an element. 9 light grey and 8 dark grey balls sit at the center with 2 concentric black rings around them. The inner ring has 2 medium grey balls on it, and the outer ring has 6 medium grey balls on it.

When magma intrudes parallel to another rock layer, the formation is called a (n) A. sill. B. dike. C. extrusion. D. unconformity.

What is the net amount of energy released when 1 mole of H2O is produced

Why is Sn (SO4) 2 named Tin (IV) Sulfate and not Tin (II) Sulfate?

An element x forms an iodide (xi3) and a chloride (xcl3). the iodide is quantitatively converted to the chloride when it is heated in a stream of chlorine: 2xi3+3cl2â2xcl3+3i2 if 0.5500 g of xi3 is treated, 0.2596 g of xcl3 is obtained.

When you kick a soccer ball across a field it will eventually come to a stop. Does this prove or disprove Newton's first law of motion? It disproves Newton's first law of motion because gravity is stronger than friction.