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tatyana61 [14]
3 years ago
14

Plzzzzzzz help my lil sister out she wont stop texting me while im working

Biology
2 answers:
mart [117]3 years ago
6 0

Answer:

False.

Explanation:

63% of our energy comes from fossil fuels.

meriva3 years ago
3 0

Answer:

False

Explanation:

It will only be 78% in 2040

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If a cell were treated with poison to block to function of its michocondria which of the following would be likely result?
blagie [28]
<span>The pH of the matrix increases and the pH of the inter membrane cell decreases
</span>
The reason behind this is the presence of the electron transport chain within the mitochondria which requires the transport of hydrogen ions. The movement of hydrogen ions results in varying pH. If the mitochondria dies, the hydrogen ions will not move into the matrix, causing its pH to increase, and they will build up in the inter membrane causing a decrease in pH.
6 0
3 years ago
I nee help brinlist i will give it to you
Montano1993 [528]

Answer:

A

Explanation:

The energy carried by electromagnetic waves is sometimes referred to as radiant energy. Electromagnetic waves do not require a medium for propagation hence they can travel through vacuum and are known to transmit enormous amount of energy.

Electromagnetic waves transmit energy away from the source of the wave. Hence the answer chosen in the answer section above.

3 0
3 years ago
What’s the difference between an objects mass and weight. How do I calculate the weight of an object? Which one is affected by g
vagabundo [1.1K]

Answer:

The mass of an object is a measure of the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. Mass does not change with gravity as weight does due to the act of pulling down on an object making it in fact heavier.

Explanation:

^

4 0
3 years ago
Question 23 (6 points)
Stels [109]

Answer: 1. Sea urchins and sea otters

2. They are prey for carnivores.

3. Sea otters, star fish

Explanation:

Sea urchins and sea otters are carnivores as they eat on the flesh of starfish and sea urchins respectively.

Starfish feed on the kelp forests which are the producers in the food chain and the starfish is the primary consumer and prey for sea urchins.  So, starfish and kelp forests are the prey in the marine ecosystem.

Keystone species is the one which controls the population of other inferior species in an ecosystem. Here, sea otters consume sea urchins so the population of sea urchins remained in control Starfish controls the population of kelp forest.

 

8 0
3 years ago
Is a gamete a brain cell
LUCKY_DIMON [66]

Answer:no it’s not a brain cell it’s part of the reproductive system I think

Explanation:

3 0
3 years ago
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