Which of the following is a balanced equation representing the decomposition of lead(iv) oxide?
a pbo2 = pb + o2
b pb2o+ 2pb+o
c none of the above

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?