Which words means the history of life in the geologic past as indicated by the imprints or remains of living things

An example of an empirical formula

A student collected 10grams of hydrogen and 79.4 grams of oxygen. How much water was originally invloved?

Which procedure could a student use to examine an intensive property of a retangular block of wood

Phase changes, why does steam at 100% see produce a more harmful burn then boiling water.

Which statement about spontaneous and non spontaneous processes is correct

What is the square root of 54554? What is the square root of 35654?

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage