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tekilochka [14]
3 years ago
11

Which has been around longer birds or reptiles

Biology
1 answer:
mixer [17]3 years ago
7 0

birds!!!!!!!!!!!!!!!!!!!!!

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If it takes 98.8 kcals to break one C--H found in an organic molecule, how many kcals does it take
steposvetlana [31]

395.2kcal

Explanation:

Given parameters:

Energy required to break one C-H bond = 98.8kcals

Unknown:

Energy required to break methane = ?

Solution:

The bond dissociation energy is the heat energy absorbed in breaking a covalent bond in the gas phase to its constituents elements.

  Solving

    CH₄ has 4 C-H bonds

To break 1 C-H bond, 98.8kcals of energy was used,

To break 4 of the bonds; 4 x 98.8kcals will be used = 395.2kcal

Learn more:

Hydrogen brainly.com/question/7213980

#learnwithBrainly

8 0
3 years ago
List and describe 4 different pollination strategies employed by flowering plants.
Pavel [41]
Sorry for a late answer... But here we go!

https://www.sciencelearn.org.nz/resources/102-methods-of-pollination
7 0
3 years ago
The sharp reduction of numbers of a population and with it the gene pool through a severe epidemic is an example of :
Mademuasel [1]

Answer: <em>The Bottleneck Effect</em>

Explanation:

A Bottleneck effect is the sharp reduction of numbers of a population through environmental effects or human activity. It causes a loss of the genetic pool and its variety; genetic variation lowers and increases with time as random mutations occur.  

3 0
3 years ago
Which of the following is an example of natural selection?
Alexxx [7]

Answer:

A) Hummingbirds drinking nectar from a plant.

Step-by-step explanation:

Here are some examples of natural selection: In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.

8 0
3 years ago
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Why is the location of chloroplasts in a leaf important?
Svetlanka [38]
Chloroplast is responsible for using light energy to produce sugar. It is located at the top of the leaf because that's where it will absorb the most light while it's still being protected from damage by the cuticle and the epidermis
6 0
3 years ago
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