Which reaction is a single replacement reaction?

A. 2H2+O2-2H20

B. 2H202-2H20+O2

C. KOH+HCI+H2O

D. Cu + 2AgNO3 - 2Ag + Cu (NO3) 2

Astronomy can best be described as a/an

List two things you should not do when giving a presentation

How does the theory of natural selection explain the diversity of life?

You should increase the distance between your car and the vehicle ahead when you:

Crust describes the outermost shell of a terrestrial planet. Earth's crust is relatively thin, just 40-kilometers (25-miles) deep. Earth's crust can be divided into two types: continental and oceanic.

What type of visible light spectrum does the sun produce?

In order for a current to be maintained through a conductor a difference in must be maintained from one end of the conductor to the other end. potential power resistance conductivity

A rocket initially at rest acceleration at a rate of 99.0meter/second^2. Calculate the distance covered by the rocket if it attains a final velocity of 445 meters/seconds after 4.50 seconds.

Tired of being chased by a jaguar, you set a trap. Hoping to drop it on the jaguar, you try to push a 44.0 kg stone boulder off of the edge of a cliff that slopes down at an angle of 15.0°.

Why do stars appear to move through the night sky at the rate of 15 degrees per hour?