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Eduardwww [97]
3 years ago
6

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Biology
1 answer:
professor190 [17]3 years ago
5 0

1. I think that rock from the mantle is added to the edges of both plates at convergent plate boundaries.

2. I think that one plate sinks into the mantle and is destroyed at divergent boundaries.

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Jezelyn needs to create a project that shows geographic isolation in action and decides to make a video. Which of the following
kodGreya [7K]

Answer:

a video that shows penguin species that have different mating dances

Explanation:

The question is incomplete as it does not have the options which are:

  • a video that shows a large river that has penguin populations on both sides
  • a video that shows penguin species that have different mating dances
  • a video that shows a penguin that is laying eggs
  • a video that shows penguins in a tidal pool and an open ocean

Answer:

a video that shows penguin species that have different mating dances

<em><u>The reproductive isolation is the factor which allows the species to evolve and form a new species, therefore, this factor is used to describe a species.</u></em>

<em><u /></em>

<em><u>The reproductive isolation refers to a mechanism in which the species are isolated to not interbreed with the individual of other species. The reproductive isolation could be due to behavioural, psychological, physical or genetic differences. evolved as an adaptation.</u></em>

<em><u /></em>

<em><u>In the given cases, the penguin species which shows different mating dances is considered to be reproductively isolated as the different dance rituals evolved as behaviour to prevent them from mating.</u></em>

<em><u /></em>

<em><u>Thus, the selected option is correct.</u></em>

<h3><em><u /></em></h3>

5 0
3 years ago
Hydrogen bonds can only occur between certain bases.
skad [1K]
A pairs with T (Thymine) 
C Pairs with G (Guanine)
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What kind of bonding occurs between carbon atoms, allowing carbon to form stable molecules?
brilliants [131]

Answer:

The correct answer is single,double and triple covalent bonds .

Explanation:

A carbon atom can form a single bond with another carbon atom example ethane.

A carbon atom can form a double bond with another carbon atom example ethylene

A carbon atom can form a triple bond with another carbon atom example acetylene.

 But during the formation of  Carbon carbon single bond or double bond or triple bond the valency of carbon atom that is 4 is always maintained.

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In your own words, explain why theories cannot become laws. Include one example
KengaRu [80]
Theories cant become laws because they are just testable questions and opinions 
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3 years ago
Does the enzyme make the reaction occur faster
Scrat [10]

Answer:

Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.

5 0
3 years ago
Read 2 more answers
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