Which occurrence would contradict the big bang theory? A.
Over time, distant galaxies move progressively closer to Earth.
B.
A scientist discovers a black hole outside the Milky Way galaxy.
C.
The average temperature of the universe decreases.
D.
A scientist discovers a planet that is about 10 million years old.

There are weak or strong attractive forces between atoms of liquids with a high viscosity

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.