The muscular system and the skeletal system work together so the body can do what?


move


pump blood


get oxygen


digest food

Answer:

For Q1: H+

For Q2: OH-

for Q3: Apple juice

For Q4: bleach

For Q5: 0-6

For Q6: 8-14

For Q7: Sour

For Q8: Corrosive

For Q9: Slippery

for Q10: Bitter

Explanation:

Answer:

B.

lithium and chlorine

Explanation:

Ionic bonds are typically formed between a metal and nonmetal. Lithium is an alkali metal in group one and chlorine is a halogen from group seven. They will bond to form the salt, lithium chloride.

Answer:

False

Explanation:

Many abused drugs are prescription drugs.

Answer:yes

Explanation:

Because modern periodic table is designed in such a way that it can accomodate any new elemet which may be discovered in future

We have that for the Question "when and if element 119 is discovered predict where it would be placed on the modern periodic table" it can be said that With the existing information the element 119 will most likely be i the 8th period and the first group of the periodic table

From the question we are told

when and if element 119 is discovered predict where it would be placed on the modern periodic table

Generally

The Periodic table is naturally designed to accommodate new elements based on there properties

Therefore

With the existing information the element 119 will most likely be i the 8th period and the first group of the periodic table

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Answer:

c

Explanation:

because the sun is at the center of the universe the planet orbit the sun its basically a simple answer so if you need more help im right here

The sun and the planets are part of the solar system. The sun is in the center of the system, and the planets revolve around it. Thus, option C is correct.

A solar system is a part of the Milky Way galaxy that includes the planets, stars, sun, moon, asteroids, etc. The Sun is the star that is fixed at the center of the system.

The planets are not fixed and revolve in orbit around the sun and rotate on their axis. The sun and planets are made up of gases and have different atmospheres.

Therefore, option C. sun is at the center around which the planets revolve.

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Answer:

Basically, it's heat transfer!

Answer:

An endothermic process is any process with an increase in the enthalpy H of the system. In such a process, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system.

Explanation:

Answer:

Different atomic mass, number of neutrons

Explanation:

Isotopes refer to atoms of the same element, with same atomic number, number of protons & electrons. However, they have different atomic mass, because of different number of neutrons.

Answer:

Explanation:

A)  O2 (non polar covalent)

B)  HF  (polar covalent)

C) NaCl (because its ionic)

im not 100% sure hope it helps

Answer:

The Northern Hemisphere is tilted toward the Sun in summer is the correct answer.I hope this helps

Explanation:

Day turns into darkness as the Earth spins, and summer turns into winter when the Earth completes its whole cycle. Therefore, the Northern Hemisphere is tilted toward the Sun in summer. The correct option is option B.

The circular motion of an item about its center is referred to as rotation. Things can spin in a variety of ways.  When a round, three-dimensional object rotates around an imaginary line inside of its center, it is a relatively common type of rotation. This focal point is known as an axis.

The Earth's rotation and revolution effect wind patterns, temperature, ocean currents, and precipitation, which together determine our local weather and the planet's overall climate. the Northern Hemisphere is tilted toward the Sun in summer.

Therefore, the Northern Hemisphere is tilted toward the Sun in summer. The correct option is option B.

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Answer:

I believe it is platinum

Explanation:

I think it is, haha

Answer:

zinc

Explanation:

kwkejnrkewnrkwe

Answer:

pollution I think

Explanation:

The matter is made up of various types of particles which have a physical state and have inertia.

1. Matter is colour less. (false)

2. Matter is hard in structure. (true)

3. Matter is soluble. (true)

4. Matter can not conduct electricity. (false)

5. Matter has boiling point but not melting point. (false)

6. Matter has both boiling and melting point. (true)

7. Matter has not the density. (false)

8. Matter has the malleability. (true)

Matter is made up of different kinds of particles which can occupy space and they have some mass. All the matters are made up of the elements. The elements contain specific physical and chemical properties. the matter can not be broken by any ordinary chemical reaction.

So we can conclude that the matter is made up of various types of particles which have a physical state and have inertia.

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Answer: (D) it is not spontaneous.

Answer:

False

Explanation:

The nucleus controls the cells activities

Answer:

15.4 moles

Explanation:

15.4 moles

Answer:

Within a group trend

Explanation:

The atomic radius of atoms generally increases from top to bottom within a group trend. As the atomic number increases down a group, there is again an increase in the positive nuclear charge.  As the atomic number increases within a period, the atomic radius decreases.

Answer:

1. 0.5333333m (Calculator Soup Work Calculator)

2.

9. 29.1666666667% efficient

10. 44.5% efficient

Explanation:

will do other answers later

Answer:

[tex]K_{2}CrO_{4} + Pb(NO_{3})_{2} >> 2 KNO_{3} + PbCrO_{4}[/tex]

Reactions:

[tex]K_{2}CrO_{4} + Pb(NO_{3})_{2} >> KNO_{3} + PbCrO_{4}[/tex]

Explanation:

In the reaction, the CrO4(Chromate)  is a compound NO3(Nitrate) is a compound as well.

Ignore the number in front of the reaction first, calculate how many K, Cr, O, Pb and N in the equation for both left and right side.

Left side:   K=2, Cr=1, Pb=1, N=2, O=10

Right side: K=1, Cr=1, Pb=1, N=1, O=7

So we need 3 more oxygen, 1 more nitrogen and 1 more potassium on the right.

If we add a 2 in front of KNO3, there will be 2 potassium, 2 Nitrogen and 6 oxygen, which the reaction complete.

Conclusion:

[tex]K_{2}CrO_{4} + Pb(NO_{3})_{2} >> 2 KNO_{3} + PbCrO_{4}[/tex]

Answer:

B.

Explanation:

bc it goes from having the potential to move to moving sorry if im wrong tho

Answer:

94.15

Explanation:

Answer:

gold has 79 protons

Explanation:

i looked it up lol

Answer:

5789.07

Explanation:

Answer:

A

Explanation:

Answer:

A

Explanation:

The original chemical structure of the tree is not changing, therefore it is not a chemical change, and it is definetely not a mixture change, its a physical change.