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trapecia [35]
3 years ago
7

4. Explain how radioactive isotopes are used to detect health problems.

Chemistry
1 answer:
drek231 [11]3 years ago
6 0
Radioisotopes are widely used to diagnose disease and as effective treatment tools. For diagnosis, the isotope is administered and then located in the body using a scanner of some sort.
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Which statement describes both homogeneous mixtures and heterogeneous mixtures?
stiks02 [169]

Answer:

both are the types of mixture and both are impure substances that donot have fixed composition and the composition of constituents  is not uniform

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3 years ago
Chelsea went ice skating. The ice, her skates, the Zamboni, and the rink building were all examples of solids she encountered. S
inysia [295]

Answer:

Answers are C, D

Explanation:

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3 years ago
"Two major varieties of igneous rock are _______ and ________. What is the difference between these two types of igneous rock?"
grandymaker [24]

Answer:

Intrusive and Extrusive igneous rocks.

Explanation:

Igneous rocks are defined as those rocks that are formed when magma undergoes the process of crystallization and solidification at or below the earth's surface. For example, Granite, Rhyolite, Gabbro and Diorite.

The igneous rocks are of two different types, namely-

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  • Extrusive igneous rocks- This type of igneous rocks are formed when the magma crystallizes and solidifies at the surface of the earth. For example, Basalt.
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Why would the presence of oxygen bubbles be a good indicator of photosynthesis occurring?
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Notice the populations decrease as you go from the bottom of the food chain to the top. Why do you think this is so?
kodGreya [7K]
Exactly what the person above me said
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Read 2 more answers
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