What is the class that includes sedimentary rocks which are deposited from a solution made by organic processes?

Rocks crack and shift when? from moving plates become to great

Small opening in the epidermis of a leaf called guard cells allow water and other materials to enter and exit the leaf. True or false?

Which item would react most rapidly if touched by a match? a log sawdust small twigs tree branches

Describe what evidence might tell you that a chemical reaction has occurred.

O que sao ligações de hidrogênio?

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics

Why do cells have a plasma membrane? A. to separate protein from the nucleus B. to distinguish plants from animals C. to define the size of the cell D. to separate the inside of the cell from its enviroment

Base on its molecular mass, what is the molar mass of iron

For the following reaction in aqueous solution, identify all those species that will be spectator ions. Select all that apply. Na, SO4+Hg (NO3) 2HSO4+2NaNO3 Choose one or more: A. Hg2S04 B. Na2S04 C. Nat D. NO3 E. SO42- F. Hg2 (NO3) 2 G. NaNO3 H.