verobbyxo verobbyxo

25-03-2019
Biology

contestada

Which gas was not present around the time earth first formed?

Methane
Hydrogen
Oxygen
Nitrogen

Respuesta :

ashaornelas ashaornelas

25-03-2019

The answer would be A. Methane

Answer Link

smolbree smolbree

25-03-2019

Oxygen was not present around the time earth first formed. Hope this helps. :)

Answer Link

Otras preguntas

Find all solutions to the given equation: (x − 5)(x +2)(x +3) =0

Troy took a total of 12 quizzes over the course of 3 weeks. How many weeks of school will Troy have to attend this quarter before he will have taken a total of

Which is not of the main functions of the cardiovascular system

a small number which must add to 4622 to make it divisible by 6

In a ___ form of government, members of the executive branch are chosen by the legislative branch.

How much energy is required to change 150.0 g of water from 10.0°C to 45.0°C? (Cwater = 4.18 J/g • °C)

which test do physicians use to monitor the insulin dose for a diabetic patient ?

Fatima wants to purchase a scarf for $45.00 and a sweater for &77.50. If she currently has $100, how much more money does she need to purchase the two items

Which carbon reservoir have humans depleted by burning the products in the reservoir? A. Aquifer B. Atmosphere C. Fossil fuel deposits D. Terrestrial biomass P

Solve the following systems of equations. 2^(2x+y−1) = 32 4^(x−2y) = 2