1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dimulka [17.4K]
3 years ago
14

The earth formed 4600 million years ago. What percentage of the Earth’s age has the atmosphere been its current composition

Chemistry
1 answer:
nata0808 [166]3 years ago
4 0

Answer: 4.35%

Explanation:

Scientists estimate that the current composition of gases in the Earth's atmosphere has been stable for the last 200 million years or so.

If the Earth was formed 4,600 million years ago then the percentage of her age that the atmosphere has been in its composition is:

= 200 / 4,600 * 100%

= 4.35%

You might be interested in
Maria wants to determine which type of disinfectant kills the most bacteria.
murzikaleks [220]

Answer:

well she can test both of the soap by putting one on and plate and another on the other plate and which ever is cleaner is your answer

6 0
3 years ago
Read 2 more answers
Which sample has more atoms in it? 150.0 g of gold or 10.0 g of lithium.
Deffense [45]

Answer:150g of gold

Explanation: There is a lot more gold and gold is significantly significantly more dense than lithium

6 0
3 years ago
How many grams Kl are needed to prepare 100.mL of 0.55M solution?​
Makovka662 [10]

Answer:

Explanation:

100mL = 0.1L

0.55 M = mol/0.1 L

mol = 0.055 mol

molar mass of KI = 165.998 g

0.055 * 165.998 = 9.13 g of KI

7 0
2 years ago
All of the factors described below could account for the difference in the sizes of the tomatoes. Which describes a way in which
disa [49]

Answer:

D my guy

Explanation:

I have a hunch if its biotechnology involved with plants selective breeding seems most appropriate

3 0
3 years ago
The natural process where the sun's energy is trapped by the atmosphere to make the Earth warm enough for life is known as
Juliette [100K]
The greenhouse effect captures the sun's energy and keeps the earth warm.
5 0
3 years ago
Other questions:
  • An abandoned Indiana coal mine spoil bank (wastes) contains chunks of pyrite minerals. Under constant erosion and weathering, th
    5·1 answer
  • Which of he following is a secondary alkanol?
    11·1 answer
  • What is the correct systematic name for ICl5?
    9·1 answer
  • What is the oxidation state of nitrogen in N2?<br> O A. +5<br> O B.-3<br> O C. +3<br> O D.O
    5·1 answer
  • Two 15.Kg objects are placed at four different distances from each other. At which distance would the two objects have the stron
    10·1 answer
  • What is energy
    8·2 answers
  • What is the net ionic equation for the following reactant? <br><br>Al (s) + HCl (aq) --&gt;
    7·1 answer
  • Rubbing alcohol is 70.% (v/v) isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL) container?
    12·1 answer
  • Explain the “war of the currents”<br> please help with at least 1 sentence
    7·1 answer
  • (Math) I NEED THIS ANSWER PLZ
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!