Chemistry Middle School

Please help me I will give you the brain thing with extra points if you help me, please. I need to get this right. 8/10

Please Help Me I Will Give You The Brain Thing With Extra Points If You Help Me, Please. I Need To Get

Answers

Answer 1

Answer:

C) 40km/hr

Explanation:

1 hour= 60 min

30 times 2= 60

20 times 2=40

40km/60 min

40km/hr

Answer 2

Answer:

40 km

Explanation:

I learned this in the 8th grade..

<3

Related Questions

Principle of Original Horizontality
The principle of original horizontality helps scientists determine
age.
• This principle states that rocks were originally in
horizontal layers.
• Rocks that are not in horizontal layers were shifted by some


The question choices for number 1 is relative, sedimentary, geologic

The question choices for number 2 is the same as number 1 answer choices

Number 3 answer choices geologic, sedimentary rocks, relative age

Thxs!!!

Answers

Answer: c

Explanation:

The question choices for number 1 is relative, sedimentary, geologic

The question choices for number 2 is the same as number 1 answer choices

Number 3 answer choices geologic, sedimentary rocks, relative age

Thxs!!!

Please help me I will give you the brain thing with extra points if you help me, please. I need to get this right. 3/10

Answers

Answer:

I'd say its speed but not to sure

Explanation:

pls help I'm not trying to get a bad grade

Answers

The egg will increase in size due to osmosis
The egg will increase in size

Joshua has invented a special greenhouse. By turning a special dial in his new greenhouse, Joshua can choose which type of sunlight can enter the greenhouse. When only ultraviolet light is allowed to enter the greenhouse, what will happen while Joshua is standing inside the greenhouse?
Joshua can see objects inside the greenhouse
As time passes, it becomes warmer inside the greenhouse than it is outside
Joshua can see objects outside the greenhouse
As time passes, Joshua begins to sunburn

Answers

Answer:

As time passes, it becomes warmer inside the greenhouse than it is outside

Explanation:

hope this helps

I need help for something like this help me plz

Answer them all plzzzz in order

Answers

3. photosynthesis , 5. carbon dioxide , second blank of #2 is fossil fuels

Answer:

1:Carbon dioxied

2:fossil fuels

3:Plants absorb carbon dioxide,water and sunlight to make their own food,grow and release oxygen through photosynthesis.\

4:Photosynthesis, Decomposition, Respiration and Combustion

5 :Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.

Please help me I will give you the brain thing with extra points if you help me, please. I need to get this right. 4/10

Answers

B is the answer b b b b bb
The answer is b and I agree with that person. SO ITS BBBBBBBB

During the water cycle, water moves from the air to the ground and then back to the air. Which of the four processes causes water to move from Earth’s surface to the atmosphere during the water cycle?

A. condensation

B.
precipitation

C.
crystallization

D.
evaporation

Answers

D. Evaporation

I'm in high-school so I know

D. Evaporation............

Alanine is an amino acid with the formula C3H7NO2. How many atoms in all are in each molecule of alanine?

Answers

Answer:

12

Explanation:

13 atoms in all are in each molecule of alanine.

To find the total number of atoms in one molecule of alanine, we count the atoms for each element in the chemical formula.

Alanine has the molecular formula [tex]C_3H_7NO_2[/tex]:

3 carbon atoms ([tex]C_3[/tex])

7 hydrogen atoms ([tex]H_7[/tex])

1 nitrogen atom (N)

2 oxygen atoms ([tex]O_2[/tex])

Adding them together, we get:

3 + 7 + 1 + 2 = 13 atoms.

Adding them together, we get 3 + 7 + 1 + 2 = 13 atoms in one molecule of alanine. These atoms are arranged to form the chemical structure of the alanine molecule, which is an essential building block of proteins in living organisms.

To know more about hydrogen atoms, here

brainly.com/question/29661778

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Minerals undergo a ______________ reaction

Answers

Answer:

Chemical reaction

Explanation:

In chemical weathering, minerals that were stable inside the crust must change to minerals that are stable at Earth's surface. ... Many silicate minerals form in igneous or metamorphic rocks. The minerals that form at the highest temperatures and pressures are the least stable at the surface.

Hope this helps!!

Answer:

fizzy cuz water interacts

Explanation:

Please help me I will give you the brain thing with extra points if you help me, please. I need to get this right. 6/10

Answers

Correct option is :C



Atoms with the same number of protons but different number of neutrons are called.......

Anions

Ions

Cations

Isotopes

Answers

I gotchuuuuu it’s Isotopes

david turned on the television. The electrical energy turned into

Answers

Answer:

mechanical energy

Explanation:

Answer:

D. Light, sound and electricity.

Explanation:

USATestPrep

The outline of a partial periodic table is shown.



Zinc is a metal. In which section of the partial periodic table is zinc located?

Section 1

Section 2

Section 3

Section 4

Answers

Answer:

I think section #3

Explanation:

When i was in science class in my memory it was always in that area

Zinc is a metal. Zinc is present in section 2 of partial periodic table.

What is periodic table?

Periodic table is defined as an arrangement of all the elements known to man in accordance with there increasing atomic number and recurring chemical properties.

It is also defined as tabular arrangement of 118 known elements.

Metals are defined as any of a class of substance characterized by high electrical and thermal conductivity as well as by malleability, ductility and high reflectivity of light.

Zine is a metal with high conductivity. It is a very good conductor of electricity.

Thus, Zinc is a metal. Zinc is present in section 2 of partial periodic table.

To learn more about periodic table, refer to the link below:

https://brainly.com/question/11155928

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