Answer:
all of them
Explanation:
took test
Floods can cause soil erosion and sedimentation. It will destroy all the properties of human beings. All the options are correct. Thus the correct option is D.
What is Flood?Flood is defined as a natural disaster which results from the overflow of water on land. It is mainly generated by the heavy rainfall, sudden snow melt, etc. It affect the ecosystem adversely.
The floods are mostly affected to the coastal regions. It is even a threat to life of people. The habitat of aquatic organisms are destructed by the floods. The ground water is found to be contaminated with pathogenic microbes and causes water borne diseases.
As a result of floods the life of small insects which play a primary role in the ecosystem of food chain is also affected. All fields like education, communication, transport, etc. of our state is affected by the floods.
The floods can cause loss of people, low water quality, destruction of habitats. Some times the effect of flood in our life will be long lasting.
Thus the correct option is D.
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The equation below shows a reaction that is second order in A and first order in B.
2A(9) +B(g) → C(g)
What is the rate law for the reaction?
What would be the most likely explanation if none of the tested paint samples had turned brown?
1. The reaction was not actually caused by UV light.
2. The reaction only happens in real sunlight, not artificial.
3. The paint behaves differently on a canvas than it does in a laboratory.
4. None of the tested mixtures matched the chemical composition of Van Goghs paint.
Answer:4/d
Explanation:
i did this before
what does 'potable water' mean?
Answer:
Potable water, also known as drinking water, comes from surface and ground sources and is treated to levels that that meet state and federal standards for consumption.
PLEASE ANSWER ASAP (WILL GIVE BRAINLIEST)
What do we call the invisible force exerted by magnets?
A. Magnetic force
B. Electromagnetic force
C. Electric force
D. Applied force
Answer:
Magnetic Forceeeeeeeeeee
is pH 6 a weak or strong acid?
Answer:
6 pH is a weak acid
Explanation:
Generally, a strong acid has a pH of about zero to 3.
The pH scale typically ranges from 1 to 14, with lower numbers representing acids, higher numbers, bases. Neutral liquids like water have a pH of 7.
(Please heart the answer if you find it helpful, it's a motivation for me to help more people)
what active non metal has 6 valence e ?
Answer:
brainliest please
Explanation:
Examples include neon (Ne), argon (Ar), and krypton (Kr). Oxygen, like all the other elements in group 16, has six valence electrons.
Answer:
neon (Ne), argon (Ar), and krypton (Kr)
Explanation:
I just want you to get it right
Ill give brainly thing
If your mass is 39 kg on Earth and you are on a moon that has 1/3 of the gravitational force of Earth what would your mass be on this moon?
Answer:
117 kg.
Explanation:
god luck
What is the total magnification if we using objective lens 4x and our eyepiece (ocular) lens is 10x
40x
100x
400x
1000x
Question and answer options are on the PICTURE please help :(
Answer:
The sun
Explanation:
Because plants use sunlight to conduct photosynthesis which is the process the need to create energy
In the equation CH4 + 2O2 --> 2H2O + CO2 What is the mass of CO2 produced when 35g of O2 reacts?
Answer:
24.06 g of CO₂
Explanation:
The balanced equation for the reaction is given below:
CH₄ + 2O₂ —> 2H₂O + CO₂
Next, we shall determine the mass of O₂ that reacted and the mass of CO₂ produced from the balanced equation. This can be obtained as follow:
Molar mass of O₂ = 2 × 16 = 32 g/mol
Mass of O₂ from the balanced equation = 2 × 32 = 64 g
Molar mass of CO₂ = 12 + (2×16)
= 12 + 32
= 44 g/mol
Mass of CO₂ from the balanced equation = 1 × 44 = 44 g
SUMMARY:
From the balanced equation above,
64 g of O₂ reacted to produce 44 g of CO₂.
Finally, we shall determine the mass of CO₂ produced by the reaction of 35 g of O₂. This can be obtained as follow:
From the balanced equation above,
64 g of O₂ reacted to produce 44 g of CO₂.
Therefore, 35 g of O₂ will react to produce = (35 × 44)/64 = 24.06 g of CO₂.
Thus, 24.06 g of CO₂ were produced from the reaction.
how would u confirm that a colourless liquid given to u is a pure water?
have a great day
XD
Answer:
The boiling point and freezing point of the given liquid comes out to be 100°C or 373 K and 0°C or 273 K respectively under one atmospheric pressure, it confirms that the given liquid is pure water.
Explanation:
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The boiling point and freezing point of the given liquid comes out to be 100°C or 373 K and 0°C or 273 K respectively under one atmospheric pressure, it confirms that the given liquid is pure water
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One of the main jobs of _________ is to support the leaves
The flowers
the seeds
the roots
the stem
Answer:
Stem
Explanation:
Answer:
option-(d) stem
Explanation:
Stems have four main functions which are: Support for and the elevation of leaves, flowers and fruits. The stems keep the leaves in the light and provide a place for the plant to keep its flowers and fruits. Transport of fluids between the roots and the shoots in the xylem and phloem...
I hope it help you
How many elements does 2H2O2 have?
Answer:
If the 2nd and third 2 are underscored then there are two hydrogen atoms and 1 oxygen atom
Explanation:
what kind of substance is rust
What is the atomic mass of this atom?
Answer:
3
Explanation:
The atomic mass is equal to the number of protons in an atom (and electrons if the atom is neutral).
Review the poster.
https://www.cdc.gov/handwashing/pdf/wash-your-hands-fact-sheet-508.pdf
What is the greatest advantage of using a poster to present the information in “Stop Germs! Wash Your Hands”?
A poster that features brief sentences conveys urgency and simplifies content.
The extensive detail in posters captures viewers and causes them to stop and read.
The colors and images of a poster often convey a stronger message than words.
A poster appeals to several senses at once, which makes it hard to ignore.
A. A poster that features brief sentences conveys urgency and simplifies content.
1.
What is the light that you can see called?
VED
DANCE
WOW
EN
M
W
NOGO
OLET
a) observatory light
c) visible light
b) ultraviolet light
d) infrared light
Answer:
The correct answer is c. Your welcome
What should the range for "Light Intensity" be?
A.0-18-0-18%
B.24-51% 24-51%
C.79-90% 79-90%
D.100%
Please answer this question please brianlest
Answer:
Explanation:
non-living things do not posses any thoughts, ideas, feelings, or senses. they do not breathe, eat, grow, reproduce, or have any senses. they differ because a non-living things isn't alive and cannot function in this world.
Answer:
The term living thing refers to things that are now or once were alive. A non-living thing is anything that was never alive. In order for something to be classified as living, it must grow and develop, use energy, reproduce, be made of cells, respond to its environment, and adapt.
Explanation:
your welcome
2) If you
move 50 meters in 10 seconds, what is your velocity?
Answer:
5 meter/second.
Explanation:
You dived the seconds, 10, by the meters, 50.
(100 points) Imagine that the ability to cool materials down to below 200 K (–100° F) was not discovered until 1950. Which technology would that have most impacted?
electromagnetism
crystallography
metallurgy
superconductivity
Answer: (D) Superconductivity
Explanation: Edge 2021
Answer:
D
Explanation:
got it right. :)
Give examples of kinetic energy and how they work.
Answer: The kinetic energy of an object depends on both its mass and velocity, with its velocity playing a much greater role. Examples of Kinetic Energy: ... A baseball thrown by a pitcher, although having a small mass, can have a large amount of kinetic energy due to its fast velocity.
Explanation:
Hope this help
Something that is made out of natural resources for human use is called? Synthetic Resource Natural Resource Materials Living Organisims
Answer:
Natural Resource
Explanation:
A natrual resource is something that was created when Earth was first made. They were intended to fulfill human needs when they needed them. An example of a natural resource can be water, because we will need water to survive.
Microgravity is a condition where an object or person can appear to be weightless. true or false
Answer:
its true
Explanation:
Cause i know because i just have notes a lot and i am in 10th grade U w U
What are the states of matter and why are they relevant to you?
Does the following compound contain a polyatomic ion? CuCl2 *
Yes
No
Answer:
the answer is no
Explanation:
I don't no
How many moles of nitrogen (N2) are needed to produce 9.60x10^24 molecules
of nitrogen dioxide (NO2)? *
The number of moles of Nitrogen : == 7.975
Further explanationGiven
9.60x10²⁴ molecules of nitrogen dioxide (NO2)
Required
The number of moles
Solution
Reaction
N2 + 2O2 → 2NO2
moles of NO2 :
= 9.6 x 10²⁴ : 6.02 x 10²³
= 15.95
From the equation, mol N2 :
= 1/2 x mol NO2
= 1/2 x 15.95
= 7.975
The number of molecules :
= 8 x 6.02 x 10²³
= 4.816 x 10²⁴
4. How much water would be needed to dilute at 750 ml solution of 2.8M HCl to a 1.0 M solution?
5. If 550 mL of a 3.50 M KCl solution is left out to evaporate until the volume is 275 mL, what would the
new Molarity be?
6. Extra Credit: A solution of H,SO, has a molarity of 0.14 mol/L in 750 mL. If 250 mL of water is added:
a. What is the new molarity of the solution?
Three questions in 1 less see how good Brainly really is
Please helllpppp meeee
PLEASE HELP!!!!!!!!!!!!!!!!!!!! ASAP!!!!!!!!! Which two elements are mainly found in the inner and outer core?
A. Fe and Ni
B. Fe and Si
C. Ni and Si
D. Ni and C
PLEASE TELL ME WHAT THOSE ABREVIATIONS MEAN ALSO!!!!!!!!!!!!!
What happens to a molten ionic substance when an electric current is passed through it
Answer:
When an electric current is passed through a molten ionic compound the compound decomposes or breaks down. The process also occurs for aqueous solutions of ionic compounds. Liquids and solutions that are able to conduct electricity are called electrolytes
Explanation:
Source: the internet