What are two cells and how can we tell them apart

Answers

Answer 1

Answer: Animal cell- circle, has a larger vacuole
Plant cell- Cell wall, Chloraplast, Rectangle,

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______ is a method of identifying a substance based on unique patterns of energy absorption and emission. A. Assimilation B. Taxonomy C. Categorization D. Spectrometry
An electric field is created by particles thatA) are movingB) have a charge.C) are radioactive.D) are electrically neutral.

What mineral is this? Irregularly shaped, white with nonmetallic luster, the hardness of 2.5, shows cubic cleavage and dissolves easily in water.

Answers

Answer:

The material we are talking about would be serpentine.

Explanation:

This material is available in two colours green or white and it has a hardness that amounts to 2.5. This material has a luster that is nonmetallic and more of waxy in nature.

This feature becomes Satiny when Nature of is material is Fibrous. This material is used as an insulating material against electricity as well as heat. The property of this mineral is very close to asbestos and is used when prevention from heat and electricity is required.

Answer:

Halite

Explanation:

Halite is the mineral which is called as Rock salt shows cubic cleavage

Halite forms clear transparent crystals with perfect cubic cleavage. Halite is Table salt, the salt is an array of small cubic fragments, the result of halite’s crystal structure and perfect cubic cleavage

Cubic cleavage can be produced by breaking the sample. Halite is one of the few common minerals that, when broken into small fragments, will readily dissolve in water.

1.Heat Energy is also known as?2.Energy from the sun is?
3.Three energy transformations in turning on a flashlight?
4.Energy transformation in a car starting and moving?
5.Three non-renewable energy source are? Three renewable energy sources are?
6.Some physical properties of metals and non-metals are?
7.What are the states of matter of the parts of the earth?
8.What are the units of measurement in a metric system?
9.Gravity is?
10.A force is?
11.How do mass and weight differ?
12.What is the super continent called?
13.Why does the sun exert the largest force of gravity?
14.What is a comet?
15.When you increase the distance from the sun what is the length of time it takes to orbit?
16.What is the Cell Theory?
17.What can form from divergent plates?
18.What is the age of the sun?
19.What are the elements that primarily compose of the sun?

BTW: YOU DO NOT HAVE TO ANSWER ALL OF THE QUESTIONS IF YOU DON'T WANT TO!!!

Answers

Can't help you on 1-4...I'm not very good with energy transformations.
5. coal, oil/petroleum, natural gas; water, wind, plant (there's a name for energy sources coming from plants, but I can't remember it)
6. Metals are lustrous, malleable, and good conductors of heat. Nonmetals are dull, brittle, and poor conductors of heat.
7. Crust is solid, mantle is solid, outer core is liquid, inner core is solid.
8. Millimeters, centimeters, meters, kilometers, milliliters, liters...that's all I can think of.
9. Gravity is the force that pulls objects towards the center of something. Earth's gravity keeps us all on the ground.
10. Anything that causes an object to move.
11. Mass is how much stuff is in something; weight is how heavy something is.
12. Pangaea
13. It's the biggest celestial body in our solar system.
14. A comet is gas and dust that shoot through the sky. (I'm really not sure; I just know it's made of gas and dust)
15. ???
16. ???
17. Insurgent and Allegiant plates xD Divergent plates can form subduction zones and rift valleys.
18. about 5 billion years
19. hydrogen and helium

2) Nuclear fusion
3) Chemical energy - electrical energy - light energy
4) Heat energy-mechanical energy-kinetic energy
5) Fossil fuels like coal, petroleum and natural gas
6) Metals : sonorous, ductile Non metals : brittle, non-lustrous
7) Solid liquid, gas
8) Metre, grams, litres, degrees etc.
9) The force the earth exerts in its gravitational field.
10) A force is directly proportional to acceleration
11) Mass is the amount of matter contained in a body and weight is the force which a huge mass ( like that of sun) exerts on a mass.
12) Eurasia
13) It is because the sun has a huge mass ( Gravitational force is directly proportional to difference in mass)
14) Comet is a celestial object of a solar system that orbits the sun. It is not like plamtes, has a comparaitively less mass and orbits are long.
15) It depends on the distance ( directly proportional)
19) Dust, heat, hydrogen and helium.

Why is magma that contains little silica less likely to erupt explosively?

Answers

Because there is less Silica, there isn't much pressure built up.

How would you measure the pH of a coloured substance such as red ink.why?

Answers

There are 3 possible ways of determining pH.
1. A pH meter, 2. Litmus paper/ pH test strips or 3. Titrations.

1. A pH meter works by sending a small electric current through the solution. An electrical current can only be created if there are free-moving particles such as H+ ions from an acid or OH- ions from a base. The pH meter can determine the pH by how high the conductivity is.

2. Litmus Paper or pH test strips are strips that turn a specific colour under a specific pH. This colour can then be compared to a colour chart which will tell you the pH. The downfall of this method is that the red ink will stain the strip and you will be unable to get an accurate reading.

3. A titration is the best method, if done properly, for determining pH.

Explain the relationship between societyand the technologies of using Earth's
resources.

Answers

Technology is built to give means, tools, and machinery for the preservation of the environment's resources from the damaging effects of climate change and global warming, and the environment in turn provides the materials, which is how technology and the environment are interdependent.

What is global warming ?

The gradual increase in the planet's surface temperature is known as global warming. Although this warming trend has been around for a while, the burning of fossil fuels has greatly accelerated its pace over the past century. The amount of fossil fuels burned has increased along with the size of the human population.

The two main ways that these technologies have harmed our planet are through pollution and the depletion of natural resources. When dangerous or excessive levels of gases like carbon dioxide, carbon monoxide, sulfur dioxide, nitric oxide, and methane are released into the earth's atmosphere, air pollution results.

Technology and society have a reciprocal interaction. Technological advancement shapes society, while technological advancement drives it.

Thus, the environment's resources from the damaging effects of climate change and global warming, and the environment in turn provides the materials.

To learn more about globalwarming, follow the link;

brainly.com/question/12908180

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Well for one, we used coal for electricity, water for steam engines when they were much in use, natural fossil feuls for our gasoline and oil, and we use earths oxygen/nitrogen gasses to breathe and sadly we are polluting it at a fast rate

If you were to observe a handful of soil, what materials would you MOST LIKELY find? A. weathered rock and decomposed organic remains
B. small pieces of recycled glass and tiny pebbles
C. large minerals and fossilized remains of organisms
D. small living plants and hardened lava from a volcano

Answers

Your answer is A. Weathered rocks and decomposed organic remains.

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