Which of the following would be a good question that could be scientifically investigated?

a. what is the correct way to pursue happiness in life?
b. can play the piano at a shower tempo improve the sound quality?
c. what is the best advice a parent can give a child?
d. does lack of sunlight affect plant growth?

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Convection occurs when thermal energy is transferred by the movement of

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s