Answer:
There are chemical cross-links between the two strands in DNA, formed by pairs of bases. They always pair up in a particular way, called complementary base pairing: thymine pairs with adenine (T–A) guanine pairs with cytosine (G–C)
Explanation:
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Answers and Explanations:
Physical properties are characteristics of substances that can be seen without a change in its chemical composition.
Here, physical properties are:
- density
- color
- luster
- taste
- abundance
- source
I'm not completely sure what you mean by "source", but I'm going to assume you mean the substance's origin found in nature.
Answer:
See explanation.
Explanation:
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Part H: C
Review:
1. joules
2. c
3. kinetic energy
4. mass
5. heat and light
6. conduction, convection, or radiation
7. the amount of energy in the universe is constant / energy can neither be created nor destroyed
8. Law of Conservation of Energy / Impossibility of Perpetual Motion
9. F
10. The earth's core.
11. Potential energy.
12. Nice to know.
a) Sir Seymour. The kinetic energy equation has velocity squared. Increasing velocity is much more destructive..
b) Jupiter. Weight is gravity acting on mass. Gravity increases with mass. So Jupiter.
13. True.
14. Second Law of Thermodynamics describes heat flow from hot to cold objects. So, for the refrigerator to work, it needs to steadily expell hot air or objects inside won't cool as they releases heat to the surrounding air inside the refrigerator.
Explanation:
I think at HF is the answer because the pH value of weak acid are 4 and 5
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