A pound is approximately 0.45 kilogram. A person weighs 87 kilograms. What is the person's weight, in pounds, when expressed to the correct number

of significant figures?

A.

190 lb

B.

180 lb

C.

52 lb

D. 39 lb

Keegan and Iris are learning about examining the animal's hair coat. Keegan says the hair coat should be examined for brittleness and alopecia. Iris say the hair coat should be examined for oiliness and stiffness. Who is correct? A.

What is a substance which allows the red blood cells to carry oxygen and iron.

Examples of balanced decomposition reactions

Consider a liquid in a piston apparatus that is at equilibrium with the vapor phase. in which direction should the piston be moved to decrease the number of molecules in the liquid phase?

A rapid and continuous series of nuclear reactions is called a chain reaction. true or false?

How many grams are in 3.3 moles of potassium sulfide, k2s

What is fusion energy

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters

What is the unit used to measure the atomic mass?

Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (RD) strontium (SI) zirconium (Z1) silver (Ag)