Answer:
Solid water, or ice, is less dense than liquid water. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density.
Explanation:
Answer:
false
Explanation:
Hope that helps!!
Can someone please explain the cause and effect between the rearrangement of atoms and molecules in a chemical reaction and the different properties that the products have from the reactants.
Answer:
In a chemical reaction, the atoms and molecules that interact with each other are called reactants. ... No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.
Explanation:
Which of the following is NOT a characteristic that all living things share? *
using energy
made of cells
able to talk
reproduce
Other:
Answer:
C- "able to talk"
Explanation:
Not all living things cant talk, but they all use energy, are made of cells and can reproduce.
PLS HELP ASAP
How does the mass of an object affect its force?
Answer:
If mass increases, force increases.
Explanation:
hope this helps, pls mark brainliest :D
WILL GIVE BRAINLY! Use the Venn diagram to compare natural and synthetic resources.
Answer: Natural
Bauxite.
Coal.
Copper.
Diamonds.
Gold Lead.
Iron ore.
Mineral sands.
Natural gas
Synthetic
They are all made from natural resources that were changed in chemical reactions. They are all made with specific properties to carry out a specific function. Examples of Synthetic Materials – Examples of synthetic materials include synthetic fibers, ceramics, polymers, artificial foods and medicines, and composites.
please help asapppp
if you cant read the question is says : "sort the factors that affect and impact growth of plants. Drag and drop each word into the correct category in the chart below. Some words may go in more than one category"
pls donttt answer if you dont know.
Answer:
well i can't see half of the picture. unless im blind.
Explanation:
True or False; Vacuoles are bigger in plant cells because they store more water
Answer:
True
Explanation:
vacuole can take up more than half of the cell's volume. The vacuole holds large amounts of water or food especially in plants
I hope this helps :)
how are elements in the same group in the periodic table alike
Answer:
D. They have similar chemical properties
Explanation:
That's because they have the same number of electrons in the outer orbital
It is important that engineers build a structure that is safe. What do they look for when testing their designs?
Failure points
Fair tests
Prototypes
Variables
Answer:
Failure Points
Explanation:
Engineers want to test the areas that may possibly fail when they are building designs so when they go to actually build it they know it will not fail.
Explain the Flow of Energy in Photosynthesis: Where does the Energy come from initially? What is it called? What type of energy does it become? Finally what type of Energy is it broken down into? How does this all happen? Explain with details! I really appreciate your help
Answer:
The flow of photsynthesis comes from the sun
Explanation:
in which the plant absorbs. The plant then turns it into a type of food like glucose, protein, vitamin c etc. the plant uses this energy to help it grow!
Hoped this helped :)
One atom of (blank) bonded to two atoms of (blank).
Answer:
One atom of Oxygen bonded to two atoms of Hydrogen. It's a water molecule. The element consists of two identical atoms which is a diatomic molecule.
Explanation:
Answer:
One atom of Oxygen bonded to two atoms of Hydrogen. It's a water molecule. The element consists of two identical atoms which is a diatomic molecule.
Explanation:
Which statement best describes a difference between scientists and engineers?
Scientists build prototypes, while engineers test failure points.
Scientist design machines, while engineers conduct experiments.
Scientists and engineers are the same. They both study how things work.
Scientists study how things work, while engineers create new things.
Which organism in the food chain has created food from the energy in sunlight?
A
krill
B
phytoplankton
C
leopard seal
D
Antarctic herring
Answer:
b hope I am right if not I am so sorry
Explanation:
The cells in the human body are like little factories. In order to grow, repair, and live, the cells need supplies. Which body systems help these cells get the energy they need?
A) circulatory system and immune system
B) digestive system and excretory system
C) circulatory system and digestive system
D) respiratory system and excretory system
Answer: A) circulatory system and immune system
Circulatory system and digestive system are the body systems which will help these cells get the energy they need.
What is Digestive system?
These are parts of the body which are involved in the breakdown of food to form energy and other compounds.
Circulatory system on the other hand ensures the nutrients are transported to other parts of the body which is why option C was chosen.
Read more about Digestive system here https://brainly.com/question/1285073
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Compare and contrast the alkaline battery and a Zinc carbon battery. put in some other facts about them too. write somewhere around 2 paragraphs.
I'll mark brainlyest to whoever has the best answer and give them 50 points for helping me.
True or False: As air masses move, they rarely change temperatures and/or moisture levels.
_____ relating to the separation of charges in a molecule
___ meaning to repel water, literally “fear of water”
___ this term describes the force of attraction between adjacent water molecules.
___ meaning attracted to water or literally “water loving”
___ term describing the tensional force created by water at its boundary with air
word bank: surface tension, cohesion, hydrophobic, hydrophilic, polarity
1. polarity
2. hydrophobic
3. cohesion
4. hydrophilic
5. surface tension
what do you mean by cohesion ?cohesion is an attractive force of measure where molecules are stick to each other and it is caused by cohesive force between like molecules.
It is an intrinsic property of a molecule, derived by its shape, structure, and electric charge distribution.
When cohesive molecules are become closer to each other, the electrical attraction between these molecule holds them together.
This forces are responsible for surface tension. For example mercury is a cohesive substance, strongly attracted to each other, bead together, sticks to itself when it flows.
When cohesion and adhesion combinedly work, it will lead to capillary action.
Hence, when water climbs up the interior of a thin glass tube or the stem of a plant, Cohesion holds the water together and adhesion helps the water molecules stick to glass.
Learn more about cohesion, here:
https://brainly.com/question/1928484
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What are some advantages and disadvantages of sexual reproduction?
Answer:
Allows for diversity, but is slow and inefficient compared to asexual.
Label the picture, please
Answer:
(in the pic above)
Explanation:
P= product
R= reactant
S= subscript
C= coefficient
Y= yields
Answer:
sorry BUT I need points
Explanation:
I have 11 protons, which element am I?
A. Silicon
B. Fluorine
C. Argon
D. Sodium
Answer:
D. Sodium
Explanation:
We know that the atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. The mass number of an element tells us the number of protons AND neutrons in an atom (the two particles that have a measurable mass).
Can someone help me rq??? :))
Classify the following substances as:
Pure Substance – Solution – Mechanical Mixture –
Suspension –
Milk
Coffee (black)
Soil
Sugar
Lemon juice
Salad Dressing
Please help I’ll give you brainliest.
If I have a Lithium atom with 1 valence electron, and one oxygen atom with 6 valance electrons. And then I add 1 valence electron from lithium to oxygen, is the lithium stable?
Answer:
Yes.lithium is stable
Explanation:
Because lithium needs lose the valence electron to become stable
What are the four main components of a galaxy?
A. Gas, dust, rock, and planets
B. Planets, stars, gas, and rock
C. Stars, clouds, orbits, and other objects
D. Stars, gas, dust, and other objects
The four main components of galaxy are Stars, gas, dust, and other objects
Galaxy is a any type system that contain stars,dust, stars remnants, interstellar gas, dark matter and other objects to form universe.
It is derived from Greek word which means milky ,hence it is termed milky way.
Galaxies have different shapes and variations in which the systems are formed.
Galaxies have different in structure and the king of activities that occur in them. Some are site of formations of vigorous sites and so on.
Therefore,
please help me!!!! or my mom will ground me for 2 weeks :(
Materials move across a cell membrane in a process called _______.
Answer:
Diffusion
Explanation:
Which illustrates different states of a substance?
1. oxygen and nitrogen
2. sugar and water
3. ice and water vapor
4. limestone and crushed limestone
Will give brainliest for correct answer - with an explanation on why its correct -
not trying to be rude just want the correct answer, not guesses :)
Help! Please :) Thank you
Water has 2 oxygen molecules and 1 hydrogen molecule
Your answer:
True
False
Answer:
false
Explanation:
water has 2 hydrogen molecules and 1 oxygen molecule. hint:H20
Answer:
False. There is 2 hydrogen and 1 oxygen molecules.
Identify the force used on your arm when you walk a dog on a leash and it tries to chase something.
Friction
Gravity
Strong pull
Weak push
Answer: The force used on your arm when you walk a dog on a leash and it tries to chase something is known as Strong pull.Strong pull is defined a physical force which is usually aggressive orcoercive and it involves the movement in a particular direction due to different factors or reasons. The Dog in the example has a leash on and applies a force in the direction ofthe thing it wants to chase which is a perfect example of a strong pull.
Explanation: please give me a brainlist
How are the scientific method and the engineering method similar?
Both methods identify failure points.
Both methods construct a hypothesis.
Both methods focus on designing things.
Both methods work on finding solutions to problems.