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sesenic [268]
3 years ago
14

What does geological time have to do with rocks?

Biology
1 answer:
Ira Lisetskai [31]3 years ago
7 0

Answer: Measuring the amounts of radioactive elements in rocks let scientists useabsolute dating to give ages to each chunk of time on the geologic time scale. For example, they are now able to state that the Jurassic began about 200 million years ago and that it lasted for about 55 million years.

Explanation:

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8 0
3 years ago
Identify two general ways chemical mutagens can alter dna.
gavmur [86]
1) compound mutagens can go about as base analogs 
Analogs are perceived by DNA polymerase and consolidated into DNA set up of nucleotides and after that reason change by base-matching in a way that varies from the undifferentiated from nucleotide. For instance, 5-BrdU can be consolidated inverse An amid replication and after that combine as a C amid the following round of replication, making a TA CG change. 
2) substance mutagens can synthetically adjust base. 
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6 0
4 years ago
Bible verses about responsibility
-Dominant- [34]

Answer:1 Timothy 5:8

Explanation:

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3 0
2 years ago
In the atom, which particles are in constant motion around the nucleus?
scoundrel [369]

Answer:

Electrons

Explanation:

According to the modern atomic theory, atoms are made-up of smaller subatomic particles in the nucleus. The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positively electrical charge and the neutrons have no charge. The electrons have a negative electrical charge and are able to move around the nucleus. An atom usually contains an equal number of positively charged protons and negatively charged electrons. This makes the atom itself electrically neutral. The electrons exist at different energy levels, called shells, around the nucleus where they revolve freely in a constant motion.

5 0
3 years ago
The motion of a falling object when the only force acting on it is gravity
Svetlanka [38]
This is called free fall
4 0
3 years ago
Read 2 more answers
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