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3 years ago

Demonstrate that plants use photosynthesis to grow throughout their lives

1 answer:

3 0

By definition, photosynthesis is the process made by green plants, algae and some other forms of bacteria to make their own food by converting carbon dioxide and water into glucose.

So how important is photosynthesis to plants? It is as important as how humans need food in order to survive. Plants also need food and energy to survive and grow.

Not only food is the important matter to be addressed when it comes to photosynthesis. It is also important for plants' cellular respiration. These processes are constantly made by plants throughout their entire life.

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(0 10 40 20 30 50 70 80) (90 100 110 120 130 140). Which end of the scale (left or right) has the loudest sounds?

gregori [183]

I think 140 would be the loudest.

8 0

2 years ago

A 1500 kg car decelerates from an initial velocity of 19 m/s to a skidding stop. If the coefficient of kinetic friction is 0.100

Stella [2.4K]

Answer:

19.4 seconds

Explanation:

We have:

m: mass of the car = 1500 kg

v₀: is the initial speed = 19 m/s

$v_{f}$ : is the final speed = 0 (it stops)

$\mu_{k}$ : is the coefficient of kinetic friction = 0.100

First, we need to find the acceleration by using the second Newton's law:

$\Epsilon F = ma$

$-\mu_{k}N = ma$

$-\mu_{k}mg = ma$

Solving for a:

$a = -\mu_{k}g = -0.1*9.81 m/s^{2} = -0.981 m/s^{2}$

Now we can find the time until it stops:

$v_{f} = v_{0} + at$

Solving for t:

$t = \frac{v_{f} - v_{0}}{a} = \frac{-(19 m/s)}{-0.981 m/s^{2})} = 19.4 s$

Therefore, the time until it stops is 19.4 seconds.

I hope it helps you!

7 0

3 years ago

Which of these characteristics would best help a student who is focused on reaching academic goals?

Anarel [89]

Answer: Responsibility

5 0

3 years ago

Help will mark as brainliest

Bumek [7]

Answer: i guess d is the correct answer

7 0

3 years ago

Read 2 more answers

Question 7 of 25

tiny-mole [99]

Answer:

2PBr₃ + 3Cl₂ → 2PCl₃ + 3Br₂

2Na + MgCl₂ → 2NaCl + Mg

Explanation:

A balanced chemical equation is a chemical equation that have an equal number of elements of each type on both sides of the equation

Among the given chemical reactions, we have;

2PBr₃ + 3Cl₂ → 2PCl₃ + 3Br₂

In the above reaction;

The number of phosphorus, P, on either side of the equation = 2

The number of bromine atoms, Br, on either side of the equation = 6

The number of chlorine atoms, Cl, on either side of the equation = 6

Therefore, the number of elements in the reactant side and products side of the reaction are equal and the reaction is balanced

The second balanced chemical reaction is 2Na + MgCl₂ → 2NaCl + Mg

In the above reaction, there are two sodium atoms, Na, one magnesium atom and two chlorine atoms on both sides of the reaction, therefore, the reaction is balanced

6 0

3 years ago