The famous scientist galileo galilei did several experiments with sloping
planes, which he rolled metal balls down so that he could study motion, by
changing the slope, he could study how the speed at which the ball rolled
was affected.
w what was the dependent variable in galileo's experiment?
o a) the speed of the ball
ob) the slope of the plane
oc) whether the ball moved
od) what the ball was made of

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

In 2015, about ten percent of total u. s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased