What can be used to determine the relative age of two rocks?

A. vertical position

B. the presence of unconformities

C. radioactive dating of each layer

D. The relative age cannot be determined.

If a color change occurs when two solutions are mixed has a chemical reaction likely occurred?

What is the first step in nuclear fission? A. Energy is released B. Energy is produced C. A neutron strikes a particle D. An isotope is formed

Why Ammonia is nut dried by passing through concentrated H2SO4.

Given the reaction: 2 NaOH + H2SO4 Na2SO4 + 2 H2O How many milliliters of 1 M NaOH are needed to exactly neutralize 100 milliliters of 1 M H2SO4? a 50 ml b 100 ml c 200 ml d 400 ml

A scientist is comparing two cells. One cell, cell A, is from a unicellular organism, and the other cell, cell B, is from a multicellular organism. What functional differences will the scientist most likely see when comparing the two cells? A.

Describe and give an example of parasitism.

Why is a dilute solution of oleic acid used instead of pure oleic acid?

The vapor pressure of benzene (C6H6) is 73.0 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 179 g of benzene and 0.217 mol of a nonvolatile nonelectrolyte?

Aldo drove 420 miles using 18 gallons of gas. at this rate, how many gallons of gas would he need to drive 357 miles

How many grams of As2S3 are in 3.25 moles?