2 years ago

What is theaw of superposition? How is it used to understand how old the Earth is?

1 answer:

5 0

Hey The Law of Superposition makes logical sense but in practice it is the nature of the fossils found in the sedimentary layers that determine the relative ages of the rocks. Hope it helps

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They break down plant and animal remains and waste into molecules that producers reuse to

madreJ [45]

Answer:

DECOMPOSERS

Explanation:

Decomposers (Figure below) get nutrients and energy by breaking down dead organisms and animal wastes. Through this process, decomposers release nutrients, such as carbon and nitrogen, back into the environment. These nutrients are recycled back into the ecosystem so that the producers can use them

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2 years ago

Read 2 more answers

The atomic number of nitrogen is 7. What is the mass number of a nitrogen atom with 6 neutrons?

omeli [17]

Answer: The mass number is 13

Explanation:

Mass number = Protrons + neutrons;

While Atomic number = Number of neutrons

Therefore, if the atomic number of nitrogen is given as 7, then its Protrons = 7

So, mass number = 7 + 6 = 13

7 0