What instrument measure the distance from the ground to the base of clouds

5. If an atom has 12 electrons, how many energy levels are occupied

4. What is the "enemy" of DNA?

When a spring is compressed, the energy changes from kinetic to potential which best describes this change?

Does (NH4) 2SO4 and AgNO3 form precipitate

An energy value of 3.313 * 10^{-19} joules is needed to break a chemical bond. What is the wavelength of energy needed to break the bond? (The speed of light = 3.00 * 10¹⁰ cm/sec; Planck's constant = 6.626 * 10^{-34} J ⋅sec). A. 5.00 * 10¹⁸ cm B. 1.

Fossil fuels are considered useful to humans because they are

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei

An atom that has 13 protons and 15 neutrons is an isotope of the element? How can I count it?

Which element is nuclear fusion least likely to produce? hydrogen, which has an approximate mass of 1 chlorine, which has an approximate mass of 35 argon, which has an approximate mass of 39 silicon, which has an approximate mass of 28 I know the

How deep does the surface current known as the Gulf Stream go A. 3,000 meters B. 3 meters C. 300 meters