CHEMISTRY HIGH SCHOOL

Where are cell walls only found in

Answers

Answer 1
Answer:

Answer:

plant cell is ur answer for this question

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If each fission reaction in a nuclear reactor emits three neutrons, how many neutrons are produced from three fission reactions? one three six nine
Determine the percent composition of chlorine (Cl) in sodium chloride (NaCl). .
When magnesium ribbon is ignited, it gives off a white fume of magnesium oxide. What is this type of reaction? synthesis reaction double displacement reaction decomposition reaction single displacement reaction
Which type of bond forms between atoms of iron (Fe)?A. ionic B. Metallic C. Polar covalent D. Nonpolar covalent
Interstellar dust particles help cool the nebular cloud by _____.slowing particles down allowing particles to collect clumping particles together attracting the heat of the nebular cloud

as electrons are passed through the system of electron carriers associated with photosystem ii, they lose energy. what happens to this energy?

Answers

they break up and become only positive energy

Why do you think Robert Hooke used the term "cell" to describe what he saw

Answers

Answer:

prison cells

Explanation:

Robert hook thought of prison cells when he first was the cells

Answer:

Robert Hooke called what he saw a cell because it reminded him of the cells in a monastery.

I hope this helps you

Using the periodic table, determine which material is most likely to be a good insulator. magnesium silver aluminum sulfur

Answers

The correct answer is this one: "Magnesium." Using the periodic table, the material that is most likely to be a good insulator is the magnesium. Magnesium is a chemical element with symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic.

Using the periodic table, determine which material is most likely to be a good insulator.

  1. magnesium
  2. silver
  3. aluminum
  4. sulfur

the correct answer is 4. sulfur

Atoms in a stay in a fixed position and have no freedom to move.

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If atoms stay in a fixed position that means they are a solid

(giving away 10 points)at what position of the earth in its orbit is it summertime in the northern hemisphere
Position 2
position1
position4
position3

Answers

Answer: Position 1

Explanation:

Seasons on Earth occur due to tilt of of its axis. Earth's axis is tilted 23.5° from horizontal. Thus, when Earth moves in the orbit around sun, sometimes the northern hemisphere points towards the Sun and sometimes away. When it points towards the Sun, it experiences Summer season and while it points away, winter occurs. In between, spring and autumn occur.

Thus, from the given diagram, norther hemisphere would have summer time at position 1 when the northern hemisphere is facing the Sun.

Answer:

The correct answer is Position 1.

Explanation:

The rotational motion of the Earth causes some parts to receive more heat from the sun, while others receive less. Its axis of rotation runs vertically from the North Pole to the South Pole. Since this axis is not completely vertical, the sun's rays are projected with different intensity during the translation movement. Since the Earth is tilted slightly to the left and the axis points to the side where the Sun is at position 1, the sun's rays reach the northern hemisphere with more intensity and the southern hemisphere with less intensity.

Have a nice day!

Which of the following is most likely to be amorphous?-glass
-solid sulfur
-solid calcium
-gold

Answers

Answer: Option (a) is the correct answer.

Explanation:

Amorphous means without any crystalline structure or definite shape. Whereas a solid whose atoms are not bonded together in a definite lattice pattern. This solid is non-crystalline in nature.

For example, glass, gel, plastic etc are all amorphous solids.

Whereas solid sulfur, solid calcium, and gold have a definite lattice pattern and has a crystalline structure. Thus, they are not amorphous solids.

Thus, we can conclude that out of the given options glass is most likely to be amorphous.
the best answer here would be glass.
Other Questions
How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed?
What occurs when an atom loses an electron?(1) The atom’s radius decreases and the atom becomes a negative ion.(2) The atom’s radius decreases and the atom becomes a positive ion.(3) The atom’s radius increases and the atom becomes a negative ion.(4) The atom’s radius increases and the atom becomes a positive ion.
Which element is classified as an alkali metal?
All fossil fuels contain this element. iron hydrogen copper magnesium