Scientists used to believe that the earth was the center of the universe. which invention was primarily responsible for obtaining evidence against this?

a. sextant

b. astrolabe

c. hubble telescope

d. optical telescope

Científico que formuló 3 leyes de astronomía

Which type of reaction does this diagram represent? nuclear fission because an atom is splitting into two fragments nuclear fusion because the products that are produced are radioactive nuclear fission because a large amount of energy is being

One way or measuring the amount of energy released by an earthquake is the Richter scale. Earth increase of one unit on the Richter scale shows a 10 - fold increase on the strength of the earthquake.

Objects that transmit most light, like a window, are a. opaque b. transparent c. translucent

slader A girl of mass 55 kg throws a ball of mass 0.80 kg against a wall. The ball strikes the wall horizontally with a speed of 25 m/s and it bounces back with this same speed. The ball is in contact with the wall 0.050 s.

A scientific theory becomes more widley accepted as it explains more and more?

5. The number of bonds an atom can form is represented in an electron dot diagram by A. pairs of dots B. unpaired dots C. total number of dots

A resistor has a current of 2 amperes when connected to a single battery. If a second identical battery is connected in series with the first, what is the current through the resistor? a) Still 2 amps b) 4 amps c) 1 amp d) no current

Describe some basic guidelines for safe PRE

Why is the liver important in digestion