What form of phosphorus does fertilizer usually contain?
Which of the following is the best definition of a system?
A. The form and arrangement of an object
B. a group of connected or related things?
C. Something that takes up space and has mass?
D. A collection of organs?
Answer
answer would be d
Explanation:
if correct brainlist?
Answer:
B. a group of connected or related things?
Explanation:
A system must have some form of relationship between the components inside of it. All these components work together to do a certain task or to run efficiently.
For example, let's take the court justice system. Inside the system is broken down into a range that can go from small claims court to the Supreme Court of the United States. This system is to ensure that their is not only a smaller burden on the supreme court to be able to take care more of national & international claims, but also so that if a citizen feel that they have a unfair ruling, they may bring it up to a different court that may not have local preferential to a certain degree.
All parts of a system is connected or related to each other, either as a cause, and effect, or a solution.
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Sound travels most quickly through a _____. A. gas B. solid C. liquid
Answer:
solids, and liquids next
Explanation:
ANSWER QUICK PLS!!!
What is the purpose of greenhouse gases?
Answer:
Image result for what is the purpose of greenhouse gases
Greenhouse gases are certain molecules in the air that have the ability to trap heat in the Earth's atmosphere. Some greenhouse gases, like carbon dioxide (CO2) and methane (CH4), occur naturally and play an important role in Earth's climate. If they didn't exist, the planet would be a much colder place.
Explanation:
Answer:
Greenhouse gases are certain molecules in the air that have the ability to trap heat in the Earth's atmosphere. Some greenhouse gases, like carbon dioxide (CO2) and methane (CH4), occur naturally and play an important role in Earth's climate. If they didn't exist, the planet would be a much colder place.
Explanation:
Hope This Will Helpp
Roots or plant growth making cracks in concrete mechanical or chemical weathering
It takes just four hours for one bacterium to become _____.
Answer: 256 bacterium.
Explanation:
suppose a bacterium would divide once in every half an hour, this means it would be double in half an hour.
therefore, a number of the bacterium after half an hour will be 1 x 2 = 2.
After one hour, we would have doubled the number of bacterium =2 x 2
= 4.
Also, in one and a half hours, it would become 4 x 2
= 8.
In 2 hours, it would be 8 x 2 = 16.
Also in two and half hours, it would be 16 x 2
= 32.
In three hours, it would be 32 x 2
= 64.
In three and a half hours, it would be 64 x 2
= 128.
Funally, in four hours, the number of bacterium would have been multiplied to 128 x 2
= 256.
It takes just four hours for one bacterium to become 256 bacteria.
It should be noted that a bacterium will divide once in every half an hour. This implies that it'll be double in every half hour. Therefore, for an hour, there'll be 2 bacterium.
Since it doubles every half hour, in 2 hours, the value will be 16 bacteria. Therefore, the value in four hours will simply be:
= 16 × 16 = 256 bacterium.
Therefore, it takes just four hours for one bacterium to become 256 bacteria.
Read related link on:
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Which term describes a pure substance that is made up of only one type of atom?
Answer:
A pure substance is something that occurs in nature. An element is made up of one type of atom only and cannot be split further. A compound has the combined properties of the elements from which it is made. Atoms show the macro properties of an element.
Describe two practical uses for an artificial chemical which behaves like chlorophyll.
Chemicals like Titanium dioxide and photovoltaic cells are artificial chemicals that behave like chlorophyll.
What do you mean by Artificial chemicals?Artificial chemicals may be defined as chemicals that are synthesized by the activity of humans and their processes.
The nanoparticles of titanium dioxide have the ability to increase the light-capturing potential of a surface, while a photovoltaic cell enables sunlight to be processed into usable electricity by exciting outer shell electrons on some metals. These substances also behave naturally and initiate the reactions in the reaction center present in the chloroplast.
Therefore, Chemicals like Titanium dioxide and photovoltaic cells are artificial chemicals that behave like chlorophyll functionally.
To learn more about Chlorophyll, refer to the link:
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Help me plz I need help !!!
Answer:
A
Explanation:
mitosis plus answer b and c are the same so those can't be correct.
How do you make mind maps?
What is Simple Diffusion
Answer:
is a state of matter from a lower concentration to a higher concentration
sort the excerpted below into examples and counterexamples of the theme strangers can act heroically. i saw a great many kindly acts act of violence. mass panic. the poor helped the rich the rich helped the poor one man worked for nothing. crime
Answer:below
Explanation:
Examples: “the poor helped the rich” “I saw a great many kindly acts” “one(man) worked.. for nothing” “ the rich helped the poor”
Counterexamples: crime, “act of violence” “mass panic”
An atomic bomb goes off when you ___ atom
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the independent and dependent variable?
Answer: depndent the difrent amounts indendent yeast growth
Cecil writes the equation for the reaction of hydrogen and oxygen below.
H2 + O2 → H2O
Why does his teacher ask him to balance the equation by including the correct coefficients?
A- to show that most molecules exist in pairs
B- to show that most compounds exist in pairs
C- to show that atoms are conserved in chemical reactions
D- to show that atoms are created in chemical reactions
Answer:
(C) to show that atoms are conserved in chemical reactions
Answer:
C- to show that atoms are conserved in chemical reactions
Explanation:
Your mother and your grandmother were right when they said to eat your carrots for healthy eyes. Beta carotene, a carotenoid found in carrots, is a molecule that the body easily changes into vitamin A. In which group of organic molecules do carotenoids belong?
Answer:
tetraterpenoids
Explanation:
Carotenoids belong to the category of tetraterpenoids. They contain 40 carbon atoms, being built from four terpene units each containing 10 carbon atoms.
Based on what you read, what is the importance of the Endosymbiotic Theory?
The endosymbiotic theory is important because it is currently the leading theory on the origin of eukaryotic and prokaryotic cells and why they are different.
Which organisms transform nitrogen to a form that is useful to plants?
-bacteria
-animals
-fung
-humans
Answer:
fung
Explanation:
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Answer:
Bacteria
Explanation: Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. The majority of nitrogen is fixed by bacteria, most of which are symbiotic with plants. Recently fixed ammonia is then converted to biologically useful forms by specialized bacteria.
PLEASE HELP ME THIS IS DUE TODAY
what are the reasons for each statement?
(A) a piece of wood is not a living thing
(B) all organisms need to respire
(C) a snake is not an invertebrate
(D) A bat is a vertebrate
(E) A Mushroom is not a plant
(F) A carrot is a plant
(G) All living things need to feed
(H) All bacteria aremicroscopic organisms
(I) A virus is not a living thing
Answer:
a) A piece of wood is not alive because, once it is not part of a tree, it cannot use the energy from sunlight to grow, produce seeds, and make more pieces of wood.
What are the best smells
Answer:
Hope you understand this ans
Answer:
1. cookes fresh out of the oven
2. melting chocolate
3.fresh air
4.new car smell
5. vanilla
6. bacon
7. coconut
Why do sea urchins have spines (spikes)
Answer:
they are used for protection, maneuvering, and to trap food for consumption
Explanation:The spikes of the sea urchin are used for protection, to move about, and to trap food particles that are floating around in the water.
PLEASE HELP How do active transport and facilitated diffusion differ? a one uses help from proteins and the other does not b one requires energy and the other does not c active transport moves molecules against a concentration gradient and facilitated diffusion does not d both b & c
Answer:
b and c
Explanation:
because active transport requires energy from respiration yet diffusion doesn't. Additionally, active transport molecules move against a conc gradient but diffusion molecules move down a conc gradient.
how do you use a potometer in regard to environmental factors
URGENT!!
please help me solve this i really don’t understand it
The night sky is filled with images of wild animals. Which animal is the circled constellation named after? scorpion serpent snake salamander
Answer:
scorpion
Explanation:
Answer:
A on edge
Explanation:
already did it
Which of the following are disadvantages of mono-culture cropping?
Select one:
A. The planting of one single crop leads to a severe loss of biodiversity
B. It may leave crops susceptible to large scale pest and disease outbreaks
C. Planting the same crop, for extended periods of time, may deplete the soil of key nutrients
D. All the above
Prior to 1850, the melanic form of the peppered moth in Europe was:______.
3. Look at the image below, from the Gizmo. What must be true about this runner's graph?
Answer:
The graph of the runner must include the point (3.25, 25). [Students may also respond that the graph has a positive, or uphill, slope at that point. This is because the runner is facing forward in the image, so he must be running from left-to-right.]
13. The DNA found in prokaryotes and eukaryotes is an example of which
biomolecule? *
O Lipid
O Nucleic Acid
O Nitrogen
O Carbohydrate
Answer:
DNA is an example of the biomolecule nitrogen.
What is the name of the biomolecule that is influenced when a gene is altered in genetic engineering?
Answer: Protein
Explanation:
Answer:
C. protein
Explanation:
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