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dimaraw [331]
3 years ago
10

A - vegetables, meat, chicken

Biology
1 answer:
myrzilka [38]3 years ago
7 0
The answer is C and D
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!!!!!!!!!!!!H-E-L-P!!!!!!!!!! How do index fossils help scientists establish how old rocks and other fossils are? In your answer
Artist 52 [7]

Answer:

Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.

6 0
2 years ago
Chargaff's rule states that the amounts of guanine and cytosine are roughly the same, and the amounts of adenine and thymine are
Mazyrski [523]

Answer:

True.

Explanation:

The Chargaff's rules indicate that in the DNA of all living organisms the amount of adenine (A) should be equal to the amount of thymine (T), while the amount of guanine (G) should be equal to the amount of cytosine (C). These rules were useful to describe the structure of  the double helix and also enable to describe base patterns that often are associated with specific gene regions (for example, promoter regions are rich in AT). Moreover, an imbalance in the 1:1 equilibrium ratio is associated with mutations that may cause diseases such as cancer.

8 0
3 years ago
What makes some collisions elastic and others inelastic?
quester [9]

Answer : The The correct option is, If there is energy lost in the collision to sound, heat, etc., the collision is inelastic.


Explanation :

  • Elastic collision : It is defined as in which there is no loss of kinetic energy in the collision.
  • Inelastic collision : It is defined as in which there is a loss of kinetic energy in the collision and this energy changed to another form of energy.

If the collision involves bouncing, it is inelastic because kinetic energy is not conserved.

If the collision involves sticking together, it is inelastic because kinetic energy is not conserved, it is changes to potential energy.

7 0
3 years ago
Read 2 more answers
Need help ASAP
m_a_m_a [10]
The heads are expected 5 times and the tails 5 times, it is a 50/50 chance for both.
5 0
3 years ago
Beetles in a certain population can either be green color or brown colored. A change in the environment has caused the green col
Bumek [7]

Answer:

A. i think

Explanation:

if green is being prayed on more, than less green are gonna be produced and brown will become more prominent. if that makes sense.

3 0
3 years ago
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