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Marysya12 [62]
3 years ago
9

Soil conservation involves protecting _______ and preventing _______.

Physics
2 answers:
Naddika [18.5K]3 years ago
7 0
<span>Soil conservation involves protecting soil quality and preventing erosion </span>
navik [9.2K]3 years ago
6 0
Soil conservation involves protecting soil quality and preventing erosion.
Answer: A
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A chemical reaction takes place in which energy is absorbed. Arrange the characteristics of the reaction in order from start to
Ira Lisetskai [31]
<h2>Answer</h2>

It will be single step endothermic reaction.

<h2>Expalantion</h2>

In the endothermic reaction, the reactants come together to convert to products by absorbing the heat from the external source. This reaction is explained is also known as one step reaction as reactants meet to get the transition stage and converts to the product. But in some reactions, the activation energy required to activate the reactants to get the transition stage to form products. For this, the reaction will have the steps as activation energy, reactant meet, transition stage and products form.

6 0
4 years ago
Read 2 more answers
What is the wavelength of a 1.28 x 10^17 Hz wave?
lisov135 [29]

Answer:

The wavelength of the wave is 2.34 nm.

Explanation:

It is required to find the wavelength of a 1.28\times 10^{17}\ Hz wave. A wave moves with a speed of light. Speed of a wave is given in terms of wavelength and frequency. So,

v=f\lambda

\lambda=\dfrac{c}{f}\\\\\lambda=\dfrac{3\times 10^8}{1.28\times 10^{17}}\\\\\lambda=2.34\times 10^{-9}\ m\\\\\text{or}\\\\\lambda=2.34\ nm

So, the wavelength of the wave is 2.34 nm.

4 0
3 years ago
How are the raincoats waterproof? explain​
Reil [10]

Answer:

Rain jackets are coated in durable water-repellant (DWR) finish, a hydrophobic glaze that allows the coats to be breathable, yet waterproof. It lets water vapor—like sweat—out, but keeps rain from getting in. ... Without a DWR, the raincoat is just a coat. So, you'll need to recoat it.

Explanation:

This is according to the web

7 0
3 years ago
A student is flying west on a school trip from Winnipeg to Calgary in a jet that has an air velocity of 792 km/h.The direction t
Akimi4 [234]

Answer:

The direction the plane would have to fly to compensate for a wind velocity of 62.0 km/h[N] is 4.5° S of W

Explanation:

The given parameters are;

Velocity of Jet = 792 km/h

Direction of jet velocity = West

Velocity of wind = 62.0 km/h

Direction of wind velocity = North

Therefore, the jet has to have a component of 62.0 km/h South of West to compensate for the wind velocity

The direction of the plane, θ° South of West (S of W) to compensate for the wind is given as follows;

Tan \left (\theta   \right )= \dfrac{62}{792} = \dfrac{31}{396}

Therefore;

\theta = tan^{-1}\left (\dfrac{31}{396}   \right ) = 4.476^{\circ} \approx 4.5^{\circ}

The direction the plane would have to fly to compensate for a wind velocity of 62.0 km/h[N] = 4.5° S of W.

6 0
4 years ago
During a chemical reaction, increasing the temperature often
Nadya [2.5K]

Answer:c

Explanation:

the rate of reaction increases as temperature increases

5 0
3 years ago
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