What hypothesis states that the continents were once joined to form a single supercontinent? A. continental drift B. paleomagnetism C. plate tectonics D. sea-floor spreading

Why is nitrogen fixation necessary?

Also is it normal for hair to fall out if they don't have enough vitamin d?

How many grams of neon gas should be placed into a 10.0 L container in order for it to meet STP conditions? 12.2 g 9.00 g 0.00441g 122 g

When nitrogen is removed from a sample of air by the process of nitrogen fixation, what happens to the total pressure of the sample? a. It increases. b. It stays the same. c. It decreases.

The chemical formula of glucose is carbon 6 hydrogen 12 oxygen 6. What are the names of the elements in glucose and how many atoms of each element are present in a glucose molecule?

A cells that carry information through tour nervous system

True or False: According to the present atomic theory, the location of an electron in an atom is best represented by a probability cloud.

How can we measure the density of different wooden objects

According to molecular orbital theory, all diatomic molecules with an even number of electrons will be diamagnetic. True or False?

Which of the following equilibria would be impacted by a change in pressure? Select the correct answer below: H2 (g) + I2 (g) →2HI (g) NO (g) + O3 (g) →NO2 (g) + O2 (g) 2SO3 (g) →2SO2 (g) + O2 (g) CO (g) + H2O (g) →CO2 (g) + H2