1. which of the following objects would require the use of a large-scale model?

a. an atom
b. a car engine
c. a frog's heart
d. the mississippi river
2. scott stated the following series of observations. which represents a theory?

a. i observed three stars in the sky.
b. the stars give off light.
c. light travels at 300,000 kilometers per second.
d. stars are balls of hot gases.

What restrictions do you think should be placed on studies with animal participants? explain

After fidel castro became the leader of cuba, many cubans moved to the united states. why did cubans leave their home country? a. job opportunities b. religious reasons c. political reasons d. educational opportunities

John redmond was not paid for trim carpentry work that he did for brenda knighton in her home. ms. knighton does not dispute that redmond did the work, but she says that he waited too long to file the suit because the time for suit is measured from the time the work began, which was over 4 years ago, and not from the time she failed to pay, which was two years ago. the statute of limitations in their state is four years. which of the following is a correct statement? the csae must be dismissed because of the statute of limitations the case qualifies for a directed verdict the case can be decided on a summary judgment motion the case can be dismissed on a judgment of the pleadings