destinyholley99 destinyholley99

25-01-2021
Chemistry

contestada

What gases do scientists think may have been in the early atmosphere? *

Respuesta :

therealnyiah therealnyiah

25-01-2021

The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapour, ammonia and methane. As the Earth cooled down, most of the water vapour condensed and formed the oceans.

Answer Link

Otras preguntas

In the checksums, you validated that the average SAT score for all of the records is 1,059.07. When we work with the data more rigorously, several tests will re

(9r 2) solve the value of r

1. The heights, in inches, of a group of lacrosse players were recorded and are displayed below in both a box-and-whisker plot and a histogram. Part A: Based

the missionaries achievement in africa

Which statement best justifies whether ( x − 3 ) is a factor of the polynomial p ( x ) = x 3 − 3 x 2 − 2 x − 6

Which phrase best describes the business community's attitude toward the Wal-Mart bill?a. remarkable heterogeneityb. large employers for; small employers agains

In ΔNOP, o = 630 cm, p = 370 cm and ∠N=62°. Find the length of n, to the nearest centimeter.

ABCD2. What is the difference between nutrition and nutrients? Write your answer in tabular form.

U.S. citizenship becomes the norm in the United States after the passage of theamendment.1st5th14th27th

Bishan kept some soaked gram seeds in the following conditions.(a)(b)(c)Gram seedsGram seeds onin a plateGram seeds in refrigeratormoist cottonWhich of these se