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Oksi-84 [34.3K]
3 years ago
9

Is there a relationship between earth's different climates?

Biology
1 answer:
Over [174]3 years ago
4 0
The Earth's climate system and ecosystems have complex interactions with each other. Each year, the amount of carbon that flows through the biosphere depends partly on natural modes of climate variability, such as El Nino. I study how these interactions occur in the climate system with the aid of computer modeling.
Hope this help
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Case study - are invading bullfrogs harmful?
andrew-mc [135]
The invading bullfrogs ARE HARMFUL. This is because, they cause decline in the population of the native species.
Decline in the population of the native species will throw the ecosystem into a condition of imbalance which will eventually affect all the living organisms that are living in that ecosystem.
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A scientist is studying a radioactive element that has a half-life of 63 years. Choose the correct answers from the drop-down me
LekaFEV [45]

Answer:

It will take 63 years

In 189 years, one-eight of the sample will be left

By multiplying the number of half-life cycles

Explanation:

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3 0
3 years ago
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gizmo_the_mogwai [7]
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6 0
3 years ago
Match the enzymes to their role in the DNA replication process
alexdok [17]
Enzymes split the DNA molecule into two rails and then transport corresponding nitrogen bases to each rail. I think this is the answer
6 0
3 years ago
Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to
xeze [42]

Answer:

The process that Mildred used is known as Radiocarbon dating

Note: The question is incomplete. The complete question is given below:

Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to measure the amount of carbon-14 in her sample and compare this to the amount of carbon-12 in it. She uses this information to calculate that the fossil is 4,500 year old. The process that Mildred used is known as _______

Radiocarbon dating

Faulting

Indexing

Superposition

Explanation:

Radiocarbon dating is a process of determining the age estimates of various objects and materials using the radioactive properties of an isotope of carbon, carbon-14.

Radiocarbon dating uses the ratio of two isotopes of carbon, carbon-12 and carbon-14 present in materials which contains carbon to determine their age.

There is a fairly constant ratio of carbon-12 and carbon-14 in living organisms. However, at death, due to the decay of carbon-14 to carbon-12, the ratio begins to change. Since the rate of decay of carbon-14 is fairly constant, a property known as half-life, the time it has taken for carbon-14 to decay to carbon-12 can be calculated. This calculated time will givee the age of the fossilised material.

6 0
3 years ago
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