subject
Chemistry, 09.12.2019 05:31 soogy

How old is earth according to the geological time scale?
a. 290 million years old
b. 542 million years old
c. 2.5 billion years old
d. 4.6 billion years old

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 12:20
The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
Answers: 2
question
Chemistry, 22.06.2019 16:00
What statement goes against the kinetic theory of gases
Answers: 1
question
Chemistry, 23.06.2019 08:10
Time remaining 58: 10 an atom that has 84 protons and 86 neutrons undergoes a reaction. at the end of the reaction, it has 82 protons and 84 neutrons. what happened to the atom? it accepted radiation in a chemical reaction it donated neutrons to another atom in a chemical reaction it emitted an alpha particle in a nuclear reaction. it accepted protons in a nuclear reaction. mark this and retum save and exit next submit
Answers: 3
question
Chemistry, 23.06.2019 13:30
If a fast moving car making a loud noise approaches and moves past the person what will happen as the distance between the two increases?
Answers: 1
You know the right answer?
How old is earth according to the geological time scale?
a. 290 million years old
b. 5...
Questions
question
Mathematics, 25.08.2019 05:30
question
Mathematics, 25.08.2019 05:30