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Margaret [11]
3 years ago
14

What is the difference between mechanical digestion and chemical digestion in the mouth

Physics
2 answers:
Phoenix [80]3 years ago
4 0
Mechanical digestion is chewing, and chemical digestion is the saliva in your mouth breaking down food.

STatiana [176]3 years ago
3 0
Mechanical digestion is where the food is physically broken down into smaller pieces, such as in the mouth. Chemical digestion is where the food us chemically broken down into subtomic particles , starting with the saliva in the mouth and continuing throught the small intestine.
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A car is moving at 10 m/s to the right. It accelerates for 10 s after which it is moving at 5 m/s to the left. What was the car'
NNADVOKAT [17]

Answer:

Acceleration, a=-1.5\ m/s^2

Explanation:

It is given that,

Initial velocity of the car, u = 10 m/s (in right)

Final velocity of the car, v = -5 m/s (in left)  

Time taken, t = 10 s

Let a is the acceleration of the car. It can be calculated using the equation of kinematics. The equation is as :

v=u+at

a=\dfrac{v-u}{t}

a=\dfrac{-5-10}{10}    

a=-1.5\ m/s^2

So, the acceleration of the car is -1.5\ m/s^2. Hence, this is the required solution.

6 0
3 years ago
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aksik [14]
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If a neutral material like fur is rubbed on another neutral object like a rubber ball what is the resulting charges of the objec
alexdok [17]

Answer:

b

Explanation:

they both have a neutral charge so they couldn't be positive or negative since that wouldn't come from anywhere

8 0
2 years ago
5. Tại sao khi lặn ta luôn cảm thấy tức ngực và càng lặn sâu thì cảm giác tức ngực càng tăng? A. Ap suất của nước giảm ​​B. Ap s
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7 0
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What are scientists who study space called?
Brilliant_brown [7]

Answer:

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3 years ago
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