A cast fossil is formed when

A) an organism leaves an impression in rock

B) an organism leaves a footprint

C) minerals fill in an impression left by an organism

D) when the remains of a living thing are preserved and turned into rock

How do you boil water less than 100

What is the chemical equation for gaseous chlorine reacts with an aqueous solution of potassium bromide to form liquid bromine and an aqueous solution of potassium chloride

Whag is the chemical formula of carbon tarta chlorine

An enzyme is a protein that acts as a catalyst in a chemical reaction that takes place in a living thing true or false

In June there are fewer hours of daylight and less direct sunlight in the

What is true about empathy? Most anyone can learn this skill. Not everyone can learn this skill. It is a desirable attribute. choices A and C

What effect can new observations have on a scientific theory

The total number of valence electrons in the phosphate ion is

The reaction below has an equilibrium constant kp=2.2*106 at 298 k. 2cof2 (g) ⇌co2 (g) + cf4 (g) calculate kp for the reaction below. cof2 (g) ⇌12co2 (g) + 12cf4 (g)

The electrical conductivities of the following 0.100 M solutions were measured in an apparatus that contained a light bulb as the indicator of conductivity. Rank the solutions in order of decreasing intensity (brightest to dimmest) of the light bulb.