Human curiosity and creativity have led to improvements in technology. How have advances in technology affected scientists?

a.)They have allowed them to make more observations.

b.)They have helped them develop logical hypotheses.

c.)They have allowed them to prove their theories true.

d.)They have allowed them to think more critically.

Find the mass in grams of 1.37x1020 particles of h3po4

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Why are people not able to skip a dive to the deepest part of the ocean