When aluminum-27 is bombarded with a neutron, a gamma ray is emitted. what radioactive isotope is produced?

Which two layers of Earth are mainly composed of iron and nickel? inner core outer core lower mantle upper mantle crust

If a solution contains 0.5 grams of NaCl and 100 grams of water, NaCl is the solute and water is the solvent.

Solutions can be separated by chemical means physical means electrolysis solutions cannot be separated

Magnetic patterns on the ocean floor were puzzling because they

To find the number of neutrons in an atom, you would subtract A.) mass number from atomic number B.) atomic number from mass number C.) atomic number from electron number D.) isotope number from atomic number

Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car acceleration?

Why can crevasses in glaciers only be 50 meters deep? A. Plastic flow occurs below that depth. B. Glaciers cannot be thicker that 50 Meters. C. Surges prevent plastic flow below that depth. D. Basal slip occurs below that depth.

What are the changes to Earth's surface that occur as a result of plate movement

Two spaceships are approaching each other. (a) If the speed of each is 0.9c relative to Earth, what is the speed of one relative to the other?

Mechanical work is done an object when a force displaces the object in the direction of the force or a component of the force. True or false?