Chemistry Middle School

Please help will give brainliest to best answer

Please Help Will Give Brainliest To Best Answer

Answers

Answer 1

Answer:

A student wrapped in a blanket or siting in the hot sun or showering with hot water

Explanation:

Answer 2

Answer: Well so energy makes stuff moves right so what about the environment the trees and plants are the source of energy and when get energy animals take that in oxygen that gives them energy and when they died that energy goes to the trees  so it produces energy.

Explanation:

Related Questions

Which solid is most dense? ______________________________

Which liquid is least dense? ______________________________

Which solid is about as dense as dish soap? ______________________________

Answers

Answer:

bolt

lamp oil

cherry tomato

I really need help with this Im lost

Answers

i believe it would weigh less if it’s blown up with helium because helium is lighter than air

HELP PLEASE!
The picture below shows a 24-hour weather map for Texas.

What does the map indicate the weather will be for Alex's city?

A. Stormy weather caused by a warm front.
B. Clear weather caused by a high-pressure front.
C. Clear weather caused by a cold front.
D. Stormy weather caused by a high-pressure front.

Answers

Answer:

C

Explanation:

the answer would be choice C

PLEASE HELP!
The diagram below represents geographical features found in the ocean.

What symbolizes a rift valley?

A. 2
B. 3
C. 4
D. 5

Answers

Answer:

The answer is C, number 4 shows a rift valley

Explanation: This is because the shape of the feature is literally a rift and it forms a valley lol. Also i have some evidence:

The anwer is C I took the test yesterday

**URGENT< WILL MARK BRAINLEST****What is true when a reaction reaches equilibrium? Select all that apply. *
There is more product than reactant.
The reaction has stopped.
The reaction is faster in the forward direction.
The reaction is faster in the backward direction.
The concentration of products and reactants is constant.
There is more reactant than product.
The reaction rate is equal in both directions.

Answers

Answer:

below

Explanation:

The reaction rate is equal in both directions.

In a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time.

Reaction rates of the forward and backward reactions are equal and there are no changes in the concentrations of the reactants and products, the amount of reactants and products present is constant.

For example, balanced chemical reaction: N₂(g) + O₂(g) ⇄ 2NO(g).

1. What is one major pattern in the fossil record?

Answers

One pattern in the fossil record is the presence of forms with transitional characteristics, arranged in sequential stratigraphic order. This means that the fossil record provides evidence for evolution and it shows tiny changes in the structures of organisms as time moved forward.

Fossils give us information about how animals and plants lived in the past. ... Some animals and plant are only known to us as fossils. By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other.

The fossil record is the highly ordered sequence in which fossils are found in layers of sedimentary rock.

Where is the most common place thought of for transformational boundaries?

Answers

Transform boundaries are places where plates slide sideways past each other. At transform boundaries lithosphere is neither created nor destroyed. Many transform boundaries are found on the sea floor, where they connect segments of diverging mid-ocean ridges. California's San Andreas fault is a transform boundary.

This formula shows the chemical reaction that occurs when the body breaks down sugar. The products are carbon dioxide and water.


How many carbon atoms are needed in this reaction?

Answers

Answer:

i like nuggs

Explanation:

The boiling point of a substance will be the same temperature as its


melting point

condensation point

freezing point

sublimation point

Answers

Answer:

condensation point

Explanation:

boiling point is the temperature that a liquid turns to gas,

condensation is the point a gas turns to liquid

B.) condensation point



(sorry if i’m wrong)

plsss help ASAP :)))))))))))))))))))))

Answers

It’s B since it has chloroplasts
the answer is B! :)))))

What kind of value does biodiversity have within an ecosystem?
Responses
A. Ecological value
B. Recreational value
C. Economic value
D. All of the other answer choices

Answers

Answer:

A. Ecological value

Explanation:

I’m pretty sure ecological value is the answer

Based on the "Heating Curve for Wax" what is the melting point of the wax?

250°C

0°C

50°C

150°C

Answers

I’m pretty sure it would be 50 bc it’s kinda the beginning of the curve or like melting if you know what I mean

Which shared derived characteristic do reptiles, marsupials, and dogs have?

Amniotic egg
Fur
Retractable claws
Shearing teeth

Answers

I believe it is 4)Shearing teeth (Carnassial teeth)

Answer:

Shearing teeth

Explanation:

Just use process of elimination. Dogs don't lay eggs, reptiles don't have fur, neither of them have retractable claws, so the only one left is shearing teeth.

Can someone help quick

Answers

Answer:

Sodium

(Na)

Just count the electrons and search which atom it is.

What is the correct equation to determine pressure?
Pressure = Force + Area
Pressure = Force - Area
Pressure = Force / Area
Pressure = Force * Area

Answers

The correct equation is Pressure = Force / Area.

Hope this helps :)
C is correct you get it

HELP PLEASEEEEEEEEEEEEEEEEEEEEEE

Answers

Question 21:Grassland
Question 22 :19 inches
question 21:grassland
question 22-19 inches

Which type of rock is MOST LIKELY to form because of high heat pressure

Answers

Answer:

Metamorhpic rock

Explanation:

Answer:

Metamorphic Rocks

How are weathering and erosion different? Choose the best statement.

A. Weathering is the movement of rock and erosion is when the rock remains in the same place.
B. Weathering causes rocks to break down and erosion is when the rocks are carried from one place to another.
C. Erosion occurs over a longer period of time and weathering occurs over a shorter period of time.
D. Weathering is caused by wind, water, and other rocks but erosion is caused only by wind.

Answers

Your best option is C

How is biodiversity related to niches?
Responses
A. In an ecosystem, the niche is how an organism makes its living.
B. Biodiversity is required to support keystone species' niche.
C. The more niches in an ecosystem, the greater the biodiversity.
D. The fewer niches in an ecosystem, the greater the genetic diversity within a species.

Answers

Answer:

C. The more niches in an ecosystem, the greater the biodiversity.

Explanation:

I’m pretty sure it’s c

5.
Which statement accurately describes the atoms of a specific element?
a.)A zinc‚ Zn‚ atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus.

b.)A scandium‚ Sc‚ atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus.

c.)An indium‚ In‚ atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus.

d.)An aluminum‚ Al‚ atom contains 27 electrons and 27 protons inside the nucleus.

Answers

Ik pretty sure it’s a
i thinks it’s d hope it helps :)

The diagram below shows the branching tree diagram for cats.

A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right with the following traits, Four limbs, Amniotic egg, Fur, Shearing teeth, and Retractable claws. There is one vertical line between each of the consecutive five dots. The lines are labeled from the from left to right as Amphibians, Reptiles, Marsupials, Dogs, Cats.

Which shared derived characteristic do reptiles, marsupials, and dogs have?

Amniotic egg
Fur
Retractable claws
Shearing teeth

Answers

retractable claws


explanation : i learned this recently

Answer:

Shearing Teeth

Explanation:

PLSSsss HELP ASAP :)

Answers

Answer:

Travis categorized their characteristics correctly.

Explanation: This is because plants use chloroplast in their cells to help them with photosynthesis, and this is what turns them green. Animals do not make their own food so they have no use for chloroplast in their cells.

Answer:

Travis is correct

Explanation:

Photosynthesis takes part in Chloroplast

A natural resource that is not replaced by nature in a useful time frame.
A. non-renewable resource
B. natural resource
C. renewable resource
D. conservation
(For science)

Answers

I think non renewable resource (a)
It is A since that means its non renewable

What procedure did you use to complete the lab? weather patterns

Outline the steps of the procedure in full sentences.

Answers

Answer:

yeah

Explanation:

4. If you could repeat the lab and make it better, what would you do differently and why?

There are always ways that labs can be improved. Now that you are a veteran of this lab and have experience with the procedure, offer some advice to the next scientist about what you suggest and why. Your answer should be at least two to three sentences in length.

(7th grade chemistry) What makes a polyester, nylon and acrylic a synthetic materials/ products, in other words what happen during polyester, nylon and acrylic chemical reaction?(or what happen during a chemical reaction)

Answers

Explanation:

What you call polyester is technically polyethylene terephthalate or PET plastic molded into filaments that are then woven into fabric. It's made in a chemical reaction between ethylene glycol and therephthalic acid, and these chemicals are derived from fossil fuels, air, and water.

Nylons are condensation polymers or copolymers, formed by reacting difunctional monomers containing equal parts of amine and carboxylic acid, so that amides are formed at both ends of each monomer in a process analogous to polypeptide biopolymers. Most nylons are made from the reaction of a dicarboxylic acid with a diamine or a lactam or amino acid with itself

The binder resin in acrylic paint is man-made, most of the time in some sort of lab. It is made generally from the monomer methyl methacrylate and also any real common catalyst. The catalyst speeds up the reaction to where the monomers create extremely long chains. Which result in polymethyl methacrylate, an acrylic plastic polymer.

The pigments are also mostly made in labs/factories. Most of the time they are either pure elements like pure cobalt powder and carbon charcoal, or they basic bounded compounds like cadmium sulfide. To make cadmium sulfide you react cadmium chloride with hydrogen sulfide to make a bright yellow solid. It is then washed and heated to make a spectrum of different colors.

Basically all of acrylic paints are man-made through various chemical reactions.

Please help !! Science !!

just tell me in your answer what each one is !


thanks !

Answers

Answer: PUMPKIN

Explanation:

Which of the following organisms evolved after amphibians?

Only cats
Only reptiles
Only marsupials and cats
Reptiles, marsupials, dogs, and cats

Answers

Answer:

Reptiles, marsupials, dogs, and cats

Explanation:

The correct answer is only reptiles as they evolved after amphibians.

Amphibians were one of the earliest groups of land-dwelling vertebrates to evolve. After amphibians, reptiles emerged. Reptiles are a diverse group of cold-blooded vertebrates that includes animals such as lizards, snakes, turtles, and crocodiles. They have adapted to a wide range of environments, including deserts, forests, and oceans.

The other options provided in the question, such as cats, marsupials, and dogs, did not evolve after amphibians. Cats and dogs belong to the mammal group, which evolved much later than amphibians. Marsupials, on the other hand, are a group of mammals that includes animals like kangaroos and koalas. While marsupials did evolve after amphibians, the question specifically asks for organisms that evolved "after amphibians," excluding any other groups that may have evolved concurrently.

So, the correct answer is "Only reptiles" because reptiles evolved after amphibians.

Learn more about amphibians,here:

https://brainly.com/question/31785803

#SPJ4

help me! :> i need help badlyyy

Answers

Answer:

Explanation:

s

Answer:

the answer is S

Explanation:

(  protected DNA )

Based on the "Heating Curve for Wax," what is the boiling point for wax?



255°C

50°C

340°C

155°C

Answers

50 is the answer to this question.

Based on the "Heating Curve for Wax," what is the boiling point for wax?

255°C

50°C

340°C

155°C

Answers

Looks like 340 to me.
Yeah it looks like it would be 340 °c
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Please answer this below! Brainliest will be given! Qui est Catherine?la grand-mre de Chlola mre de Chlola soeur de Chlo 4.) A store is having a sale in which all items are marked 30% off.4a.) Which equation represents the selling price, s, in dollars, of an item originallypriced p dollars after a markdown of 30%?a.) s=0.3pb.) s=0.7pc.) p=0.35d.) p=0.75 Which of the following inventions of the 1950s made other inventions possible?the automobilethe transistorthe televisionthe hearing aid please help me! I really need it:( PLSSS I NEED HELPPCompare and contrast and contrast the poems "the rainy day" and "we real cool"the rainy day:The day is cold, and dark, and drearyIt rains, and the wind is never weary;The vine still clings to the mouldering wall,But at every gust the dead leaves fall,And the day is dark and dreary.My life is cold, and dark, and dreary;It rains, and the wind is never weary;My thoughts still cling to the mouldering Past,But the hopes of youth fall thick in the blast,And the days are dark and dreary.Be still, sad heart! and cease repining;Behind the clouds is the sun still shining;Thy fate is the common fate of all,Into each life some rain must fall,Some days must be dark and drearywe real cool:We real cool. WeLeft school. WeLurk late. WeStrike straight. WeSing sin. WeThin gin. WeJazz June. WeDie soon.who answer this right will get the brainliest Rachels earrings are in the shape of a triangle. The height of the earrings is 1 1/2 inches and the base is 3/5 inches. What is the area of both of Rachels earrings? Formula: A=1/2bhFormula: A=0.5 x b x h compare and contrast the greek and Islamic scholars to he development of geography as an academic discipline HELP I WILL GIVE YOU BRAINLIEST Question: What is the solution to this quadratic? what is mean by locomotion 1.Explain why there are so many different language groups in the Caucasus.2.Which of the following is an accurate statement about the Caucasus?The Caucasus border the Mediterranean Sea.The Caucasus consists of five countries..The Caucasus has a marine west coast climate.The Caucasus has more than 40 indigenous languages. short song you wrote 2 or 3 sentences your choice Who composed the Messe de Nostre Dame?O A. The music accompanying the Mass texts.O B. The plain Mass texts.O C. MachautO D. Hildegard von Bingen 90, 98, 96, 95, 97, 96, 99, 91, 93, 98, 96, 97, 95, 96 Part C: Tierney says that 40% of her ponies are over 96 centimeters in height. Is Tierneys statement CORRECT? A. Yes, because there are 9 ponies with a height of at least 96 centimeters and that is 60% of her ponies. B. No, because there are 5 ponies with a height greater than 96 centimeters and that is about 36% of her ponies. C. Yes, because the median height of the ponies is 96 centimeters and 50% of the ponies would be taller. D. No, because there are 4 ponies with a height of 96 centimeters and that is about 27% of her ponies. What did Joseph McCarthy do to stop Communism in the US? When both alleles are the same the individual is what for that trait What are the possible consequences to an organism when the temperature becomes colder than the optimum range for a species? please answer the following questions in 3-5 sentences1. Out of the multiple causes of World War One, which one do you think was the most important? Please justify your answer 2. If you were in charge of writing the Treaty of Versailles, how would you treat Germany her the war? Please justify your answer Which description represents the absolute value of-5?I have tired and I do not think I got it right .help plssss? Journalize the following transactions for Miller Company using the gross method of accounting for sales discounts. Assume a perpetual inventory system. Also, assume a constant gross profit ratio for all items sold. Make sure to enter the day for each separate transaction. December 6 Sold goods costing $3,000 to Patterson Company on account, $5,000, terms 2/10, n/30. December 12 Patterson Company was granted an allowance of $300 for returned merchandise that was previously purchased on account. The returned goods are in perfect condition. December 17 Received the amount due from Patterson Company.