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Dmitry_Shevchenko [17]
3 years ago
11

Which part of the body contains enzymes that break down protein? A. Skin B. Brain C. Stomach D. Teeth

Chemistry
2 answers:
kiruha [24]3 years ago
8 0

either c or d but more likely d because food is mainly broken down in your stomach
defon3 years ago
4 0

The answer to your questions is C. Stomach

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Which of the following numbers count as exact numbers and do not count when determining significant figures in a calculation? 1.
rewona [7]

Answer :

(1) Density do not count as exact number.

(2) Volume count as exact number.

(3) Length count as exact number.

(4) Speed do not count as exact number.

(5) Number count as exact number.

(6) Mass do not count as exact number.

Explanation :

Exact numbers : It is a defined or integer value which comes from counting numbers of objects.

They have an infinite number of significant figures.

For example : 12 eggs in a dozen, 1000 g in a kilogram and 2.54 cm in an inch.

Now we have to determine the following numbers count as exact numbers.

(1) Density : 3.7 g/mL

Density do not count as exact number.

(2) Volume : 1000 mL/L

Volume count as exact number.

(3) Length : 2.54 cm/in

Length count as exact number.

(4) Speed : 65.2 km/hr

Speed do not count as exact number.

(5) Number : 14 aardvarks

Number count as exact number.

(6) Mass : 38.741 g

Mass do not count as exact number.

4 0
3 years ago
How many joules of energy is required to bring a five-pound (1 pound = 454 g) bag
sweet-ann [11.9K]
The answer is 4567 grams of ice in the five pound bag to specific heat is the -20 degrees! Hope I helped! :)
5 0
2 years ago
Write the skeleton equation: <br> Cobalt and Sulfur react to produce Cobalt (II) Sulfide
lidiya [134]

Answer:

Co + S = Co2S3

Explanation:

pretend = is the arrow

7 0
2 years ago
Unbalanced forces can cause an object change its motion in three ways. What are they?
fenix001 [56]
Accelerate, decelerate, and changing directions.
4 0
3 years ago
In which sample of water do the water particles have more energy: 5 grams of ice cubes at -10 degrees Celsius or 5 grams of liqu
Ivenika [448]
Higher temperature = higher energy. In water it is a liquid as the particles have more energy so vibrate and are further away from each other.
6 0
3 years ago
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