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Illusion [34]
3 years ago
7

Chemical hand warmers come wrapped in plastic.

Biology
1 answer:
shtirl [24]3 years ago
4 0

Answer:

B. A chemical reaction transforms thermal energy into chemical energy

Explanation:

I hope it helps <3

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1.where does the energy required the process of cellular respiration come from?
MatroZZZ [7]
The energy from cellular respiration comes from food and air. The reactants first cellular respiration are oxygen and glucose. Glucose is a form of sugar and comes from food, and oxygen is found in air.

The main reactants or cellular respiration, as stated above, are oxygen and glucose.

During the first stage of cellular respiration, which takes place in the cytoplasm, a small amount of energy is produced when glucose is broken down into smaller particles.
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3 years ago
What are the two types of biological interactions?
Nimfa-mama [501]

Answer:

They can be either of the same species (intraspecific interactions), or of different species (interspecific interactions). These effects may be short-term, like pollination and predation, or long-term; both often strongly influence the evolution of the species involved. A long-term interaction is called a symbiosis.

7 0
3 years ago
Precipitation means things that _____________.
DENIUS [597]

Answer:

the action or process of precipitating a substance from a solution.

Explanation:

I hope this helps you!

4 0
3 years ago
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What is the most interesting thing about chemical evolution
kompoz [17]

Explanation:

The modern theory of chemical evolution is based on the assumption that on a primitive earth a mixture of simple chemicals assembled into more complex molecular systems, from which, eventually came the first functioning cell(s).

7 0
3 years ago
The outermost membrane of a euglenid chloroplast is thought to have been derived from what part of an original host cell that en
Gemiola [76]

The plasma membrane of the enveloped alga cell serves as the source of the apicoplast's second outermost membrane.

<h3>Where did all chloroplasts come from?</h3>

Chloroplasts were first established in eukaryotes through an endosymbiotic relationship with a cyanobacterium; they later spread through the evolution of eukaryotic hosts and the subsequent engulfment of eukaryotic algae by formerly nonphotosynthetic eukaryotes.

<h3>How did eukaryotic cells develop mitochondria and chloroplasts?</h3>

Chloroplasts and mitochondria most likely developed from engulfed bacteria that once existed as autonomous organisms. An aerobic bacterium was eventually swallowed by a eukaryotic cell, which later established an endosymbiotic bond with the host eukaryote and gradually transformed into a mitochondrion.

To know more about cell visit:-

brainly.com/question/3142913

#SPJ4

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