The U. S. government decides to raise taxes. Soon citizens begin to sign petitions, write letters to their representatives, and hold demonstrations to protest against the tax policies.

Why do U. S. citizens have the right to challenge public policies?
A. The First Amendment gives citizens the right to petition the government.
B. The Bill of Rights gives citizens the right to defend themselves.
C. The Declaration of Independence say citizens have the right to life and liberty.
D. The Constitution prohibits the government from taxing citizens unnecessarily.

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Ineed this now one scientist feels that the changes in global climatic patterns may be good for the health of the biosphere. another scientist feels that sharp changes in climatic patterns could result in the extinction of the biosphere. which of these is the most likely reason the two scientists gave conflicting opinions on the impact of changes in the global climatic pattern? they do not have enough knowledge on the topic. they did not discuss the issue among themselves. they believe conflicting opinion strengthens science. they study different areas of science and have different scientific focuses.

Ajet plane flying 600 m/s experience an acceleration of 4.0 g when pulling out of a circular dive. what is the radius of curvature part of the path in which the plane is flying? a) 7100 m b) 650 m c) 9200 m d) 1200 m