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sesenic [268]
3 years ago
6

When something is burning is that physical or chemical change

Biology
2 answers:
grigory [225]3 years ago
6 0

Answer: It is a chemical change

Explanation:

Natali [406]3 years ago
3 0

Answer:

Chemical.

Explanation:

it changes to a new subtance and its energy is used and relased as heat

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Helo! i was wondering if anyone could help me of these two questions for biology?
Rom4ik [11]

1) A 2) B

Explanation:

Enzymes are catalyst, meaning that they could be use in several reaction and they speed up any chemical reaction rate. So knowing this, when the animal have more enzymes it will react more quickly with the food, making it digest the food more quickly.

Hope the help, cheers

3 0
3 years ago
What is a substance?
fomenos

Answer:

the real physical matter of which a person or thing consists and which has a tangible, solid presence.

Explanation:

6 0
2 years ago
Read 2 more answers
When eating, a person is protected from food entering the airway primarily by ____?
liraira [26]
The correct answer for this question is "Epiglottis". The Epiglottis is responsible for cutting off the passage way to the airway while swallowing/eating food to prevent the food from being inhaled by the body.The Epiglottis has a leaf-like shape structure with a cartilage that covers the passage way into the air ways of the body. 
4 0
3 years ago
Which of the following locations will be relatively warmer during summers, and why? An inland location, because water heats up f
Katen [24]

Answer:

An inland location, because land has lower specific heat than water

Explanation:

The specific heat is a measure of how much heat must be supplied to warm up a substance by a certain number of degrees.

Water has a much higher specific heat than land, so it takes much more heat energy to heat up a given mass of water compared to the land.

To say it another way, the specific heat of land is much less than that of water, so it doesn't take as much heat energy to warm up the land.

Thus, an inland location will be relatively warmer during summers.

5 0
3 years ago
You are studying the amino acid sequence of a protein shared by four organisms. You want to know which organism is most closely
Wewaii [24]
The first one is going to be b and the second one is going to be a
8 0
3 years ago
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