Answer:
SNOW
Explanation:
It can melt, not a solid, not dark colored, does not move constantly
Amy uses a piece of lab equipment to change electrical energy into thermal energy. What did she most likey do?
A. Warmed liquid in a test tube over a candle flame
B. Used a hot plate to boil a beaker of water
C. Mixed two chemicals to produce heat
D. Used a thermometer to measure the temperature of ice water
Answer:
The right answer is b ( using a hot plate to boil a beaker of water
Explanation:
To power the hot plate you have to have electricals that form heat on the metal plate of the top which then comes in contact with the glass beaker which finally boils the water causing heat to form called water vapor from the heat of the hot plate to the water.
How many atoms of Br are there?How many atoms of Br are there?
Answer:
8
Explanation:
There are 8 atoms of Br because there are two molecules of 4 atoms of Br. 4 x 2 = 8.
Answer: 1 mol Br contains 6.022×1023Br atoms;its mass is 79.90 g.
Explanation:
: I mole or bromine refers to 6×10^23 molecules of bromine. But 1 molecule of bromine has 2 atoms. Hence the atom count will be exactly twice.
PLZ ANSWER FOR BRAINLIEST
Answer:
C
Explanation:
The ozone layer absorbs ultraviolet rays from the sun.
1. Define a solution and explain why it is considered a Homogeneous Mixture.
Answer:
They contain two or more substances mixed together.
Explanation: That's all I know about it. I know the other answer is way better but I hope this helps
How are electromagnets temporary?
A.) They are only magnetic when an electric current runs through them.
B.) They are only magnetic when a gravitational wave runs through them.
C.) They are only magnetic when near a lodestone.
D.) They are only magnetic for two weeks.
Such magnets are called temporary magnets. An electromagnet is a temporary magnet. It is made by winding a coil of insulated wire round a soft iron core. When a current is passed through the coil, the magnetic field produced by the current magnetises the soft iron core. The soft iron core loses all the magnetism when the current is switched off.
So A
What are two ways to increase the strength of an electromagnet?
Add more turns of the wire to the solenoid.
Increase the amount of current that passes through the wire.
Decrease the amount of current that passes through the wire.
Decrease the turns of the wire to the solenoid.
Answer: Two ways to increase the strength of an electromagnet is
Add more turns of the wire to the solenoid.
and
Increase the amount of current that passes through the wire.
Explanation: Factors that affect the strength of electromagnets are the nature of the core material.
How do air masses flow?
from regions of low pressure to high pressure
it depends on the time of the day
from regions of high pressure to low pressure
whichever way the wind blows
How do air masses flow?
from regions of high pressure to low pressure
.
In general, cold air masses tend to flow toward the equator and warm air masses tend to flow toward the poles.
examples of changing direction?
Answer:
All changes in motion (speed or direction) need an outside cause. Other examples would be a soccer player kicking a moving soccer ball so it changes direction, or a hockey player hitting a sliding puck with his stick so as to redirect it.
Explanation:
Giving brainliest and thanks to best answer <333 :>
Answer:
C
Explanation:
radiation from the sun first warms the outer atmosphere (trophosphere)
convection(aka just heat moving through gas or liquid) brings the warmth down lower
conduction heats the ground
gl lol :))
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Giving brainliest 4 best answer :> ~~
Answer:
there are blanks in the picture. what kind of winds are being asked about?
How do you think other galaxies might be similar or different from the Milky Way Galaxy?
Answer:
Going off of our own galaxy, one could assume that the universe is filled with other planets, moons, and stars. The interesting thing to me would be the shape of the Milky Way. It would be interesting to see how other galaxies have formed. As in, are they spherical, oblong, in the shape of a square?
There are also endless possibilities for undiscovered metal alloys in space, which is very exciting to me. The idea of space mining has been brought up many times before, but if there are new and useful metals, precious gems, or minerals that are yet to be discovered outside of the milky way, they could help restore Earth.
Some animals migrate, or seasonally move to a different place. In some bird populations, such as Canada geese, some birds migrate and some stay in the same area year-round. Migration can enhance the survival of individuals because it —
exerts a lot of energy.
Because Mg and O2 are both elements, no bonds were broken during the formation of MgO.
True or false
Answer:
false
Explanation
The chemical bonds were broken when creating the compound MgO.
Question NO LINKS!
Which air mass brings high temperatures and precipitation to Gwinnett County in late spring?
Answer:
Climate of Georgia. Maritime tropical air masses dominate the climate in summer, but in other seasons continental polar air masses are not uncommon.
Explanation:
Giving brainliest if u answer correctly <3
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What elements is mercuric oxide composed of?
Answer:
Lavoisier reacted mercury with oxygen to form mercuric oxide
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Plz answer fast :>~
Identify which type of chemical reaction is shown:
2NaF + Br2 → 2NaBr + F2
Answer choices:
Single Replacement/Displacement
Synthesis/Combination
Double Replacement/Displacement
Decomposition
Combustion
Which of these elements has the greatest average atomic mass?4
Question 4 options:
C
Al
N
B
How many atoms of O are there?
Answer:
4?
Explanation:
How many atoms of S are there?
The Sun does not heat Earth evenly. Areas at different latitudes receive a varying amount of direct sunlight.
Would a city located at 70°N latitude have a warmer or colder climate? Why?
I need help! Please give me an answer
Please help me with this science question
Answer:
TRUE
Explanation:
The youngest rocks on the ocean floor are located at the oceanic ridge, an underwater mountain range formed from the spreading of tectonic plates
What is the definition of a Macronutrient?
Fill in the blank:
Tree roots speed up ____ by creating and widening cracks in rocks! Tree roots slow down ____ by holding sediments in place so they're not transported away as quickly.
Answers to pick:
1) Weathering, erosion
2) Erosion, weathering
Answer:
Weathering, Erosion
Explanation:
Plants and animals can be agents of mechanical weathering. The seed of a tree may sprout in soil that has collected in a cracked rock. As the roots grow, they widen the cracks, eventually breaking the rock into pieces. Over time, trees can break apart even large rocks.
Tree root systems have a handful of large roots that branch out into a network of smaller roots that often extend out far beyond their branches do. These root systems prevent erosion by holding the soil in place and improving drainage which helps water get absorbed into the soil instead of just running over the top.
Hope this helps
All the love, Ya boi Fraser :)
An element that is a silver-colored liquid is?
a hydrogen
b mercury
c silver
d carbon
Answer:
mercury
Explanation:
silver in color, and you can find in on the periodic table
Isn't gelatin just edible slime
Answer:
Huh?
Explanation:
am confused as u lol
tx for free points
Answer:
technically yes.... anyways can you give me brainliest I ONLY NEED ONE MORE
What happens to the ocean water after the condensation part of the water cycle?
1 The ocean water collects in lakes and streams.
2 The ocean water turns into water vapor.
3 The ocean water falls down as precipitation.
4 The ocean water runs off Earth's surface.
Answer: A
Explanation: