What episode wiped out many insect species in the world?

a.

Deposition

c.

Permian extinction

b.

Mesozoic

d.

Pangea

According to Newton's first law of motion, what is required to make an object at rest move?

Differentiate between a cation and an anion.

The different phases of matter are?

Adam takes a bus on a school field trip. The bus route is split into the five legs listed in the table. Find the average velocity for each leg of the trip.

For a given initial projectile speed Vo, calculate what launch angle A gives the longest range R. Show your work, don't just quote a number.

One characteristic of mass wasting processes is that they a. only operate on steep slopes. b. move materials very slowly. c. operate only during nonfreezing months of the year. d. move materials relatively short distances compared to streams.

A skater wearing in - line skates (no friction) is standing in the middle of the aisle inside a bus and is not holding on to anything.

A group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y=ax2 about the y-axis.

The movement of thermal energy from hot to cold materials is called

An object initially at rest explodes in two fragments of masses 5 kg and 7.5 kg that move in diametrically opposite directions. If the speed of the first fragment is 8.1 m/s, find the internal energy of the explosion.