Scientific investigations often lead to the formulation of new scientific questions. the observations charles darwin made during his time aboard the h. m.s. beagle prompted him to ask which question?

a.) do living organisms change over time and, if so, how?
b.) are the finches of the galapagos islands the same as those on the mainland?
c.) can selective breeding occur in nature?
d.) can the accumulation of gradual changes in a population lead to a new species over time?

whose power in the senate is equal to the power of the speaker of the house?

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.  

how did the pendleton civil service act weaken the spoils system after president garfield died?

the act forced federal employees to pass competitive exams.

the act said that federal employees could be fired for political reasons.

the act said that company contracts and kickbacks were illegal.

the act stopped the reform movement in its tracks.