Why is it important to have a control?
IN SOUND ENERGY!!!!!!!
Answer:
why it is important to have control in sound of energy is because noise is airborne sound energy within a broad range of frequencies that has the potential to cause either discomfort or injury to people working in the area. specifically, noise needs to be controlled In order to *protect the hearing of the personnel who work at the facility *
Use the images below to complete the information on the table and answer questions 1-5.
Answer:
Proton: Positive
Electron: Negative
Neutron: No charge
Why is it important to have a control?
IN SCIENCE.....SOUND CONTROL
P.S don't make it sound like ur a genius
What is Litmus Paper?
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Litmus is a natural dye which is extremely from lichens. it is the most commonly used indicator. Litmus is available in the form of blue and red litmus paper.
Which oneeeeeeeeeeeee
Answer:
Agree
Explanation:
This is what I found.
Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.
Hope this helps.
Answer:
Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.
Explanation:
I hope this helps. I'm not sure because it would depend on the gas. But I would go with disagree personally.
Where is the DNA stored in a cell?
Answer: nucleus
Explanation:
How many atoms are in (NH4)2SO4
Answer:
15
Explanation:
1N
4H
2S
(2*4=8)O
Select the substance or substances that are homogeneous mixtures
Question 22 options:
Solution
Compound
Colloid
Molecule
Suspension
Answer:
colloid, suspension, solution
A theory usually has observation and reasoning in its favor, although it may not be experimentally verified.
True or False
12 Points/Brainliest
Answer:
In fact, at the sea level, the the sea water boils at 100 degree C where atmospheric pressure is normal. However, the boiling takes place at a lower temperature at the top of a mountain due to low pressure. In other words the boiling is faster at the top of a mountain than that at its foot.
Explanation:
Hope this helped you :)
Compound: ________________
. Found in soil; contains hydrogen (H) and oxygen (O)
Answer:
hydrogen im doing the same thing but diffrent
Explanation:
In which direction does heat energy move?
A From cold objects to colder objects
B From colder objects to warmer ones
C From warmer objects to colder ones
D From warm objects to warmer objects
Answer:
B
Explanation:
Because when a cold object is cold it start to get warm because Of the air.
and it start to warm and it gets warm.
Compound: ________________
. Found in apatite soil, contain phosphorus (P)
Answer:
Ca5 or Apatite
Explanation:
Think of a creative title for a video about the states of matter
Answer:
States of life ?
Explanation:
maybe this ?
Please answer one or both of the questions below
Answer:
a=2 b=1 c=3 im litterally takeing the quiz right now
Explanation:
Answer:
a=2 b=1 c=3
Explanation:
use your brain :)
I will brainly
And 5 star rate!!
When a log burns in a fire, a a physical change has occurred. b mass is gained. c new substances are formed.
Answer: technically it is chemical and physical change
Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes
Answer:
C! New substances are formed.
Explanation:
The burning log will release carbon dioxide, which is a new substance that was never there in the first place.
How many atoms doesCo(NO3)2 have
Question 6(Multiple Choice Worth 3 points)
(02.01 MC)
What is the landform in the image
Dune
Hill
Plateau
River
Answer:
C (Plateau) :)
Explanation:
Because a plateau is an area of relatively level high ground. so that means the answer is plateau!
Leandra is baking cookies, and they are ready to come out of the oven. Before she takes them out of the oven, she puts oven mitts on. Why does Leandra do this?
A Heat energy moves from warmer objects to cooler ones.
B Heat energy moves from cooler objects to warmer ones.
C The light energy from her hands will transfer to the cookies.
D The coolness of her hands will transfer to the cookies and will make them cold.
Answer:
A.
Explanation:
Heat can't come from a cold object but can from a warm of hot one.
What can the student conclude about the experiments? (Attachment)
I WILL MAKE YOU BRAINLIEST
A. Experiments 1 and 2 show chemical changes because bubbles were produced.
B. Experiment 1 shows a physical change because no new substances were produced, and experiment 2 shows a chemical change because a new substance was produced.
C. Experiment 1 shows a chemical change because bubbles were produced, and experiment 2 shows a physical change because a liquid turned into a solid.
D. Experiments 1 and 2 show physical changes because no new substances were produced.
Answer: B. Experiment 1 shows a physical change because no new substances were produced, and experiment 2 shows a chemical change because a new substance was produced.
Explanation: a physical change is reversible
chemical is 2 or more substances combined to make a reaction such as bubbling, change of color or temperature
Carlos listed some advantages and disadvantages of using nonrenewable resources.
Which best describes Carlos’s error?
Answer:
The answer is ores must be processed to make useful products!
Explanation:
Which oneeee is ittt!!!!
Answer:
Disagree.
Explanation:
Nothing would remain. Everything on Earth is made up of atoms. The chair consists of only atoms. So, if you remove all of the atoms, nothing would be left! Hope this helps.
Steps of photosynthesis:
___ ATP molecules form.
___ Sugar molecules form.
___ Chlorophyll absorbs light energy.
Answer:
Chlorophyll absorbs light energy, ATP molecules form, sugar molecules form. I'm pretty sure this is correct, but if it is not I'm sorry...
Explanation:
If a average person and a trained athlete where to exercise which pule rate would be slow and which pulse rate would be fast?
What are some advantages and disadvantages to the acid rain management techniques?
Acid rain management techniques include protect plants from acid rain on falling on them.
What is acid rain?Rain formed when sulfur dioxide and nitrogen oxide react with chemicals in the atmosphere like water,oxygen and carbon dioxide to form sulfuric acid and nitric acid and then falling to ground containing these acids is called acid rain.
Acid rain alters the environment the environment tremendously by damaging plants and aquatic ecosystems.Plants require a specific pH of soil for their optimum growth and nutrition.
Due to acid rain, the acidity of soil increases rendering it unfit for plant growth.Similarly, pH of water also increases which affects the survival of aquatic ecosystems.
It also damages the the monuments made of metals, marbles .Taj Mahal made up of white marble has turned yellowish due to acid rain.
Learn more about acid rain,here:
https://brainly.com/question/22143130
#SPJ2
I need help assappp
...........
2 more questions left
35 POINTS AND BRAINLIEST!
Which description is not a property of an acid?
A. pH lower than 7
B. Turns litmus paper blue
C. Sour taste
D. Corrosive
Answer:
B turns litmus paper blue
Explanation:
Sugar, C6H12O6, is made of carbon, hydrogen, and oxygen atoms. Sugar is — (I WILL MAKE U BRAINLIEST
A. a compound because it is made of two or more atoms chemically combined and its parts cannot be separated by physical means
B. a mixture because it is made of different kinds of atoms but they are not chemically combined
C. a solution because it dissolves when mixed with water
D.an element because it is a pure substance whose parts cannot be separated
Sugar is a compound because it is made of two or more atoms chemically combined and its parts cannot be separated by physical means.
Answer:
A
Explanation:
D. is not the answer as there are many elements that go into Sugar
C. Is not the answer because it is not a solution
B. Is not the answer because they are not physically combined but chemically
Therfore A is the answer