Hannah wants to measure the length of time it takes for a mouse's heart to beat fifty times. Which of the following tools would be the most useful for this investigation?

A.

stopwatch

B.

thermometer

C.

ruler

D.

balance

What did the Ancient Egyptians believe caused the Nile to flood each year? a) The tears of the goddess Isis b) Melting snow to the south at the source of the river c) Earthquakes in the Red Sea d) A Shifting in the gravitational pull of the sun e)

Political parties are important in the US Congress, because party affiliation

Which of the following statements is most accurate? a. Females tend to live longer than males. b. Baby boys tend to cry more than baby girls. c. Males and females both find masculine qualities more desirable than feminine qualities. d.

The members of the work force of a complex organization, such as a manufacturing company, are organized through their ... ? (A) social clubs (B) educational backgrounds (C) family connections (D) occupational roles

What did Social Darwinism and Jim Crow have in common?

In the case Roe v. Wade, the Supreme Court ruled that state laws were protected by federal laws. were protected by the Ninth Amendment. violated Constitutional rights. violated the Second Amendment.

Which of the following statements about peer pressure is NOT accurate? a. Peer pressure is influence from people within the same age group. b. Peer pressure can only be negative. c. Peer pressure can be active. d. Peer pressure can be passive.

Virtual reality exposure therapy is most similar to

For high levels of quantity supplied where firms have reached near maximum capacity, supply becomes more elastic because firms may need to invest in additional capital in order to further increase production. True or False?

What provided profitable incomes for the New England colonies? tobacco and indigo oceans and forests farms