In what year was the first periodic table published

How to write distilled notes

The period of a ripple on a lake is half a second. what is the frequency of the wave

Which of the following are major influences on weather and climate?

Are molecules with identical chemical formulas but different three-dimensional structures

Name four type of macromolecule

An atom of beryllium (m = 8.00 u) splits into two atoms of helium (m = 4.00 u) with the release of 92.2 kev of energy. if the original beryllium atom is at rest, find the kinetic energies and speeds of the two helium atoms

The most penetrating neclear radiation is

Certain object has a mass of 60 g and a volume of 32.6 cm³ what type of objects is the density

Which of the following statements is true? A. A producer usually obtains food by hunting other organisms. B. Humans that prepare their own meals are producers. C. A producer must be a plant. D. Consumers depend upon producers for food.

If the coral and the fish were removed from the ocean ecostyem. How would the ecostyem change?