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3 years ago

9

How is it possible a plant can sustain itself for 70 years locked inside a jar?

1 answer:

olya-2409 [2.1K]3 years ago

6 0

Answer:

If you are talking about the experiment in which mouse and plants are kept in a closed glass jar in sunlight so in that case, they both survive because the CO2 released by the respiration of mouse is being utilized by the plants and fixed ( phosynthesis) and O2 is released as by product, which is taken by the mouse for respiration.

Explanation:

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Speed is a measure of

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Distance traveled during a period of time.

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Answer: to mush

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2 years ago

Philosophy is not considered science because it lacks:

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4 years ago

Read 2 more answers

[4 marks]<br> 22. Compare and contrast the structure and roles of tendons and ligaments.

sladkih [1.3K]

Answer:

Tendons: Tendons are cord-like, strong, inelastic structures that join skeletal muscles to bones

ligaments: Ligaments are elastic structures which connect bones to bones in joints.

Explanation:

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3 years ago

Two identical conducting small spheres are placed with their centers 0.290 m apart. One is given a charge of 12.0 nC and the oth

Solnce55 [7]

Answer:

Force between two identical conducting ball will be $2.65\times 10^{-5}N$

Explanation:

We have given there is two identical conducting small spheres having charge $q_1=12nC=12\times 10^{-9}C$ and $q_2=-21nC=-21\times 10^{-9}C$

Distance between centers of the ball is 0.290 m

So r = 0.290 m

We have to fond the electric force between the balls

According to Coulomb's law force between two charges is given by

$F=\frac{1}{4\pi \epsilon _0}\frac{q_1_2}{r^2}=\frac{Kq_1q_2}{r^2}$

So force $F=\frac{9\times 10^{9}\times 12\times 10^{-9}\times 21\times 10^{-9}}{0.293^2}=2.65\times 10^{-5}N$

So force between two identical conducting ball will be $2.65\times 10^{-5}N$

4 0

3 years ago