4. The type of society that has the greatest energy needs is the __

A hunting society

B agricultural society

C industrial society

D gathering society

Strontium phosphate reacts with sulfuric acid to form strontium sulfate and phosphoric acid. what is the coefficient for sulfuric acid when the equation is balanced using the lowest, whole-numbered coefficients?

An unconformity is an __ of rock

Provided that the molar mass of a compound is 543.52 g/mol, how many mg do you need to add to 17 mL of solvent to yield a solution molarity of 3 M? N. B. M = (mol/L) Select one: a. 10.66 b. 27719520.00 c. 27.72 d. 27719.52 e. 3079946.67

Why do many gas-phase reactions occur with rapid kinetics, whereas solid-phase reactions occur slowly? a. In gas phase reactions, the reactants are more abundant and so the reaction is faster. b.

Witch of the following statements best describes the characteristics of a hypothesis one of the steps of the scientific method? a. it is a possible answer to a scientific question b. it is a scientific inquiry that cannot be tested c. it is a fact d.

several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear is white. What process led to to this difference in fur color.

What will be the outcome of putting litmus paper into bleach? a. red paper turns blue, blue paper turns red b. red paper does not change, blue paper turns red c. red paper turns blue, blue paper does not change d.

What makes it possible for ships to float?

How many moles of water will be produced when 3 moles of ethane are burned

What is an exothermic chemical reaction? a. It is a reaction that converts matter to heat. b. It is a reaction that requires heat to proceed. c. It is a reaction that draws heat from its surroundings. d.