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777dan777 [17]
3 years ago
8

PLS HELP What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes? 1, being a

ble to Carbon date fossils 2. X-ray Imaging capability 3. invention of microwave cooking
Chemistry
2 answers:
True [87]3 years ago
5 0
Being able to carbon date fossils
77julia77 [94]3 years ago
4 0

Answer:

The correct answer is option 1, that is, being able to carbon date fossils.

Explanation:

With the help of daily exposure to radioisotopes of the organisms, the scientists have found the concept of carbon date fossils. The age of the organic matter can be found from the relative ratios of C-12 and C-14, that is, the isotopes of carbon with the application of carbon dating. This proportion modifies over the years as carbon-14 decays and does not get replaced as there is no exchange with the atmosphere.

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PLEASE HELP!!!
WINSTONCH [101]

The net ionic equation of the reaction is:

  • Pb²⁺aq) + 2 I(aq) → PbI2(s)

<h3>What is a net ionic ionic equation?</h3>

A net ionic equation is an equation which shows only the ions that are involved in the formation of a product in the reaction as well as the product of the reaction alone. Spectator ions are omitted.

The net ionic equation of the reaction is given below:

Pb²⁺aq) + 2 I(aq) → PbI2(s)

In conclusion, a net ionic equation does not show spectator ions.

Learn more about net ionic equation at: brainly.com/question/19705645

#SPJ1

6 0
2 years ago
Heat, gas production, and color change can all be evidence of chemical change.
max2010maxim [7]
True

These are all indicators of a chemical change.
5 0
4 years ago
Which layer of the atmosphere is between the exosphere and the mesosphere
Olenka [21]

The atmosphere of earth is made of five main layers.

1) Troposphere : This is the lowest part of the atmosphere. Most of the air that makes up the atmosphere is present in this layer.

2) Stratosphere : This layer is present above troposphere and extends up to 50 km. It contains ozone layer which prevents the harmful ultraviolet rays from the sun from entering the lower troposphere

3) Mesosphere : The layer above stratosphere is known as mesosphere.

4) Thermosphere : The region lies above mesosphere.

5) Exosphere : The is the outermost region of the atmosphere.

From the above discussion we can see that the layer that lies between exosphere and mesosphere is Thermosphere

8 0
3 years ago
Read 2 more answers
Calculate the molarity of H3PO4 when you added 57.3 g into 3,820 mL of water
motikmotik

Answer:

0.153M

Explanation:

57.3/97.994 (molar mass)=0.585 moles of H3PO4

.0585/3.820L=0.153M

5 0
4 years ago
A certain reaction has an activation energy of 25.88 kJ/mol. At what Kelvin temperature will the reaction proceed 6.00 times fas
Juli2301 [7.4K]

Answer:hi

Explanation:

5 0
3 years ago
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