Answers
Answer:
Light travel in _____straight_____ lines until reflected or refracted
Related Questions
How does a flux capacitor deteriorate under high octane pressure?
Answers
Most halogens form compounds by
(1 Point)
gaining an electron to form a negative ion.
losing an electron to form a positive ion.
losing protons.
joining with both calcium and carbon.
Answers
Question 2 of 10
Who developed the philosophical idea of the atom?
A. Boyle
B. Dalton
C. Aristotle
D. Democritus
SUBMIT
Answers
Answer:
The answer is D. Democritus
Explanation:
I did my research and it was Democritus' idea of the atom.
which scientist made the most important discovery concerning indemnifying the sun as a star
Answers
Answer: Isaac Newton
Isaac Newton, an English scientist, lived from 1642 to 1727. In 1665 he realized that it was gravity that held the solar system together.
Explanation:
BUT YOULL NEVER BE ALONEEEE
ILL BE WITH YOU FROM DUSK UNTIL DAWWWNNNNN
ILL BE WITH YOU FROM DUSK TILL DAWN
ILL HOLD U WHEN THINGS GO WRONG
ILL BE WITH U FROM DUSK TIL DAWN
ILL BE WITH U FROM DUSK TIL DAWNNNNN
Please help thank you!
Answers
What state does a maple tree enter during the winter?
A. thigmotropism
B. migration
C. hydrotropism
D. dormancy
Answers
The Big Bang Theory is a hypothesis that states that all matter
and energy were at one time compressed into a small volume
and then _________
Answers
Answer:
I’m not sure how they want you to answer the fill in blank.
Explanation:
The Big Bang is a theory where 14 billions years ago all matter and energy in the universe was compressed into an extremely small volume that exploded and began expanding in all directions.
The big bang theory is a hypothesis that states that all matter and energy were compressed into a small volume at one time and then expanded outward.
What is Big Bang Theory?The big bang model of the universe can be described as the model to identify the beginning of the universe. The big bang model is a cosmological model which is described by the software development life cycle.
The Big Bang theory is the dominant model of the observable universe from its beginnings to large-scale evolution. This model explains how the universe is expanded from a state of high density and temperature. It provides an explanation for phenomena, such as cosmic microwave background radiation, the abundance of light elements, and large-scale structure.
Due to the big bang as we know, the universe has been created existing about 12 - 15 billion years ago. According to the theory that the Big bang was a gigantic explosion that formed all of the energy and mass in less than a second in the universe.
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A larger bullet does not necessarily have more momentum than a smaller bullet Explain why
Answers
Answer:
yes
Explanation:
a larger bullet weighs more then a smaller bullet so the smaller bullet goes faster.
Answer:
Explanation:
Momentum is dependent on mass and velocity. So, the smaller bullet can be moving at a much greater speed than the larger one.
Help please I have 10 min.
Answers
Answer:
i cant see the question. i can try to help if you tell me the question.
Explanation:
also how do i use the comments???
In this experiment, you made observations of the ______
and the ____
You used these observations to write the ____
Answers
In this experiment, you made observations of the reactant and the product.
You used these observations to write the balanced chemical equation.
What is chemical equation?The symbolic representation of chemical reaction is called chemical equation.The chemical equation should be balanced.
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Answer:
{first part} reactants, products, balanced chemical equation, classify the reaction
{second part} color change, formation of a gas, formation of a solid
Explanation:
edg 23'
breathe in air container more ____ than breathed out air
a hydrogen
b oxygen
c carbon dioxide
d helium
Answers
Answer:
c
Explanation:
carbon dioxide ......
A 0.50 M solution of H Br is to be poured into a beaker that initially contains 50 g of solid CaCO3. Determine the volume of H Br that will be needed to completely react with the 50 g of solid CaCO3.
Answers
Answer:
2 liters of HBr is needed to completely react with the 50 g of salt.
Explanation:
First of all, we determine the reaction:
2HBr + CaCO₃ → CaBr₂ + CO₂ + H₂O
We need to calculate, moles of carbonate in order to state the stoichiometry (1:2)
50 g . 1mol / 100.08g = 0.499 mol
1 mol of salt need 2 moles of acid to react, according to stoichiometry
Then, 0.499 moles of salt, will react with (0.499 . 2)/1 = 0.999 moles
As we have the [HBr], we can calculate the volume.
M = mol/L → we replace → 0.50 mol/L = 0.999 mol /L
L = 0.999 mol/0.50 mol → 1.99 L ≅ 2L
Directions: Fill in the blanks with the correct terms to complete the statements. Write your answer on your answer
sheet.
1. Landforms like tall_______
act as an obstacle to traveling air masses, forcing them to rise over the peaks.
2.A___________is likely to dissolve or decrease its wind speed when it passes over a mountain or a mountain range.
3. Bodies of water like________is the main factor in the formation of typhoon.
4. The air in bodies of water is__________due to the evaporation of water.
5. Warm air builds up or increases the__________of a tropical cyclone.
help this question plzzss
I gave brainlest...
Answers
Answer:
1. Mountain ranges
2.
3.pacific ocean ??
4.tempature
I'm not really sure on 2 bit trying to help you :)
What is the natural reason for the rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America? Is it the Jet Stream, the Gulf Stream, La Niña, or El Niño? This is a science question about weather.
Answers
Answer:
El Niño
Explanation:
The natural reason for the rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America Is the El Niño.
El Niño is a climate pattern that happens when there is an unusual warming of the surface temperatures of the Pacific Ocean. This occurs at an interval of two to seven years
During El Niño, the surface waters of the Pacific Ocean become warmer than average and this is as a result of the weakness of trade winds which blows over the entire Pacific Ocean. This makes the atmospheric pressure above the ocean to decrease.
El Niño brings rainfall nd flooding to South America and droughts in the western United States
How many grams are in 2.2 moles of magnesium hydroxide?
128.33g
26.51g
0.04g
Answers
Answer:
128.33g
Explanation:
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density?
Answers
Answer: d=2.70 g/mL
I think
define a shadow plz help
Answers
Answer:
A shadow is that thing that follows you everywhere when the sun is out. It's creepy!
Explanation: Hope I helped!
Answer:
A shadow is a dark form that you cannot touch, hear, feel, or taste. It's simply formed when an object blocks a source of light.
Among the alkaline earth metals in Group 2A/A, which is more reactive - beryllium (element 4) or strontium (element 38)?
Answers
Answer:
Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). They are harder and less reactive than the alkali metals of Group 1A.
Explanation:
How many moles are in 187 grams of NH3?
11 moles
13.4
moles
3,179 moles
2,618 moles
Answers
Answer:
3126 moles
Explanation:
put them all together times them and add
Which of the following factors does NOT affect surface currents?
A. Coriolis effect
B. density
C. continental deflection
D .wind
Answers
Explaining: surface currents are caused by wind density affects deep ocean currents
The only factors that doesn't affect surface current from the question is B:
density.
Surface currents can be regarded as current that is been formed as a result of Earth's rotation as well as changes in temperature.Surface currents is know as one of the determinant for climate. These currents is responsible for the bringing of warm water from the equator then transfer it to the cooler parts of the ocean as a result of this heat energy is transferred.Some factors that influence surface current are; Coriolis effect : This also aid the movement of the currentcontinental deflection : this helps the deflection of the currents from the continental land masses.wind : without wind there cannot be transfer of the warm water from the equator to the part of the ocean that is cool.Therefore, Option D is correct because density does affect the surface current.
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Write about similarities and the differences of the plant and animal cell
Answers
Answer:
Mark me as brainliest pls
Explanation:
similarities: Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal element
differences: A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. ... Animal cells simply have a cell membrane, but no cell wall.
John decided to cycle to his friend’s house at a speed of 28 km/h and the journey took 2 hours. How far did John cycle?
Answers
Answer:
THE ANSWER IS 56 :)))
What is thought to cause the Earth's magnetic field
Answers
Answer:
It is caused by currents of electricity that flow in the molten core.
14. A cell is placed in a salt solution that has the
same concentrations as the inside of the cell.
What will happen to the cell? *
A. The cell will shrink.
B. The cell will expand slightly.
O C. The cell will burst.
D. The cell will remain the same size.
Answers
Answer:
A
Explanation:
Which substance do plants use to capture light energy from the sun? a) Carbon dioxide b) Chlorophyll c) Glucose d) Oxygen
Answers
Answer: chlorophyll
Explanation:
The substance that plants use to capture light energy from the sun is referred to as chlorophyll.
The chlorophyll is a colored pigment that is used by the plants for photosynthesis. The function of the chlorophyll is that it absorbs the energy from the sun which is then turned into a chemical energy.
Answer:
I don't know the answer to this either
Explanation:
sorry:(
For each problem, define whether you are calculating for a scalar or vector quantity. Show your work to receive full credit.
A ball travels 300 m in 2,000 secs going east. What is the velocity of the ball?
Answers
Answer:
I dont get what you need help with
Explanation:
Answer:
i dont get what your supposed to do either
Mendel also developed the law of
dominance. He did many experiments
with pea plants. This is how he came
up with the law. It shows how certain
traits come to be. One allele is
dominant. It exerts a greater influence.
He based this on an uncertain belief
that each plant carried two trait units.
One of them dominated the other.
Which sentence from this paragraph explains what a dominant allele does?
A. Mendel also developed the law of dominance
B. He did many experiments with pea plants
C. It exerts a greater influence
D. He based this on an uncertain belief that each plant carried two traits
Answers
Answer:
They mask the recessive alleles
____________ acceleration involves speeding up, while ____________ acceleration involves slowing down. a. positive, negative c. positive, braking b. negative, positive d. both a and c
Answers
Answer:
Positive acceleration involves speeding up, while negative acceleration involves slowing down.
Explanation:
I am so sorry if I was wrong!
Answer:
no just no
Explanation:
In a paragraph please explain how the reactivity of potassium has increased its
value. Be sure to discuss one chemical or product that is made from potassium,
it's benefit to humans and how it is made.
Answers
Answer:
Potassium is a very high reactive metal. Exposed to water, it explodes with a purple flame. Potassium is involved in the health of cells and of blood vessels, so its reactivity has increased values, being used by scientists for blood pressure as well as lethal injection, enough could cause your heart to stop. Take bananas for example, they contain potassium, enough for humans.
Explanation:
What’s the difference between directly
proportional and inversely proportional.
Answers
Answer:
Directly proportional:
A proportion of two variable quantities. when the ratio of two quantities are constant.
inversely proportional:
when one value decreases at the same rate that the other increases.
Explanation:
I hope this does help you, have a great day. :)