Answer:
A.
The answer is A bc THe Cell theory is what the conditions cells follow.
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what is an example of a catalyst?
Answer potassium permanganate - Hydrogen peroxide will decompose into water and oxygen gas.
Explanation:
Answer:
They include elemental metals and other inorganic substances. ... Examples of inorganic catalysts in chemical reactions include: potassium permanganate - Hydrogen peroxide will decompose into water and oxygen gas. Two molecules of hydrogen peroxide will produce two molecules of water and one molecule of oxygen.
Explanation:
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1. List the major ways in which humans are damaging the environment
2. Floods can devastate an ecosystem, however they can also have a positive impact. Please explain the positive impacts major floods can have on the ecosystem.
3. How do seasonal changes in temperature, water availability and sunlight affect ecosystems?
4. Propose 5 ways that humans can help minimise the negative effects both natural events and human impact can have on ecosystems.
Answer:
1. The large number of the pollution going into the air becaue of overfarming, and the high demand for unrenewable resources.
2. The positive impacts that floods can have is that they can water plants for places in drought like places such as California. For areas that are vastly dry, rain could be essential to humans, plants and animals in need of it.
3. These changes affect the ecosystem puts the ecosystems in a rather different situation than the ecosystem and those supported by it to adapt to the newcomings occuring of different seasonal changes and much more.
4.
-There can be alternatives to not destroying unrenawable resources.
-Use electrical cars that don't pollute the air.
-Be resourceful with their water and don't use more than needed.
-don't litter.
-recycle.
What are the pieces of evidence that the author uses to support his main ideas?
Should we as a country celebrate the Fourth of July in the United States, or is it, as Frederick Douglass claimed, a "sham" to black people in the United States? Discuss your opinion and explain, using personal examples
Answer:
Jul 3, 2019, The History of Frederick Douglass' Searing Independence Day Oration. So while the U.S. tends to go all out celebrating freedom on the Fourth of July, independence on July 4 are a reminder of the country's hypocrisy on the matter and bloody than are the people of the United States, at this very hour.
Explanation:
Identify the following groups by name and give the number of valence electrons in each...
1. Group 1 (1A):
2. Group 2 (2A):
3. Group 3-12:
4. Group 14 (4A):
5. Group 15 (5A):
6. Group 16 (6A):
7. Group 17 (7A):
8. Group 18 (8A):
(this is talking about the periodic table
Answer:
it's really simple, all you need to do is look at the periodic table. for example, group 1A has 1 valence electron. 2A has 2, 3A has 3, and so on.
i need the awnsers asap!! please and thanks
Answer:
C
Explanation:
How much work is required to push a 300 N box 10 m across the floor?
Answer:
3000J
Explanation:
W = F x D
W = 300N x 10m
W = 3000J
True or False: Both predator and prey
species experience the same pattern of
"boom and bust" cycles.
Answer:
true
Explanation:
what type of waste does the digestive system get rid of
Which system is represented by the diagram below?
Male
Female
Hypothalamus
Pituitary gland
-Pineal gland
Thyroid gland
Adrenal
gland
Pancreas
Reproductive
glands
-endocrine
-exocrine
-respiratory
-immune
Answer:
The endocrine system.
Endocrine system is the system that release specific molecules called hormones and helps in control and co-ordination. The represented diagram is of endocrine system.
What is endocrine system?Endocrine system is a network of glands and its associated organs. It includes hypothalamus, pituitary gland, pineal gland, thyroid gland etc.
The main function of endocrine system includes:
Making hormone.Sending them to bloodstream.regulation of release of hormone.Thus option a is correct.
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Which forms of energy are used when air is warming in the sunlight? Select all that apply.
Select one or more:
a. Light
O b. Electrical
c. Thermal
O d. Mechanical
Answer:
A and C
Explanation:
The sun itself is light energy and the heat that you feel from the sun is thermal energy.
Light and Thermal energy is used when air is warming in the sunlight.
Energy is emitted by the sun some of which is radiated back and some enter the earth.Solar energy is created by nuclear fusion that takes place in the sun.What is energy?The capacity or power to do work, such as the capacity to move an object of a given mass by the application of force. Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another. Energy is a conserved quantity.The law of conservation of energy states that energy can neither be created nor destroyed only converted from one form of energy to another.Hence, A and C option are correct.
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The Tacoma narrows bridge collapsed due to?
A. Refraction
B. Reflection
C. Diffraction
D. Resonance
The basic building block of all matter and the smallest unit of matter is
Atom b. Matter c. atomic number d. molecule
a.
What is science responsible for?
O technological evolution
O technological revolutions
O tragical revolutions
Which of these is a harmful interaction? (4 points) Competition Mutualism Commensalism Symbiosis
Answer:
Commensalism Symbiosis
Explanation:
Answer:
Symbiosis
Explanation:
Which statement about cellular respiration is true?
SERE
O it produces oxygen.
O It requires water.
It is used by every living cell.
O It converts energy to food.
Answer:
It is used by every living cell
A collaborative commercial construction venture is like which of the following?
Answer:
(B) two organisms working together
Explanation:
took the test and got it right
This molecule is a and it is classified as
A.) saturated fatty acid, lipid
B.) saccharide, carbohydrate
C.) unsaturated fatty acid, carbohydrate
D.) unsaturated fatty acid, lipid
Coral is a keystone species for the Great Barrier Reef. Many organisms and ecosystems in the reef rely on coral for a variety of reasons. Ocean acidification bleaches coral and kills coral. Explain the impact this would have on the biodiversity of the ecosystems within the Great Barrier Reef.
Answer:
The impact this would have on the biodiversity of the ecosystems within the Great Barrier Reef is that knowing its takes million of years for coral reef to develop it would be devastating as a end result because many organisms and sea lifes rely on the Great Barrier Reef for survival.
What is a gene? What is its purpose?
I
Your assignment in biology lab is to design an experiment that would detect whether a substance is breaking down, or digesting, a protein. Which of the following experimental designs would be your best choice?
Answer:
b. Test tube A: Water and soy protein
Test tube B: Water, egg white, and pepsin
Test tube C: Water, egg white, acid, and pepsin
Procedure: Observe each test tube for changes in the protein every 15 minutes.
Explanation:
which perspective says that babies are biologically equipped for using language but also need experience?
Answer:
Interactionist
Explanation:
Use organic in a sentence.
Answer:
Nowadays, we are having organic vegetables.
Answer:
The apple that I bought today has never been sprayed with pesticides, so they labeled it as organic!
or
Hydrogen is an organic compound
Hellllllllllppppp pleasse!!!!!!!
Answer:
Im not sure but I think its a
Explanation:
I learned it in class
Answer: B
As stating the liquid properties of matter, a liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure. It is one of the four fundamental states of matter (the others being solid, gas, and plasma), and is the only state with a definite volume but no fixed shape.
I would be happy to help with any other questions you may have in the future and will do my best to provide helpful answers! :D
Which two of the three elements have SIMILAR CHEMICAL PROPERTIES (valence electrons)?
1. Li - Na - Mg
2. F - Br - O
3. P - As - Se
4. Ra - Ba - Cs
Answer:
1. Li - Na
2. F - Br
3. P - As
4. Ra - Ba
2. Why must the satellite use electromagnetic
waves instead of sound waves?
Answer:
Since electromagnet waves do not need a medium they can travel through space. Sound waves can't travel through space because they need a medium.
Explanation:
The satellite uses electromagnetic waves instead of sound waves these types of waves do not require any medium for the transmission of the information.
What types of electromagnetic waves are used by Satellites?The types of electromagnetic waves that are used by satellites are known as radio waves. These waves are utilized in order to carry out satellite signals with a speed of 3000,000km/sec.
Electromagnetic waves facilitate the required amount of speed and characteristics which ease the transmission of information required by the satellites. Radio waves are traveling through the vacuum of space with the fastest speed at which the information via the satellite can be transmitted. Radiowaves are also used for spacecraft communications as well.
Therefore, the satellite uses electromagnetic waves instead of sound waves these types of waves do not require any medium for the transmission of the information.
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Which condition is associate; with most warm fronts?
A. cloud formations bringing precipitation
B. tornado formations
C. violent air mass collisions D. low temperatures
PLEASE PLESAE HELP ME
Fungi are able to digest food outside of their body and then absorb it, what term describes this process?
a). Absorptive heterotroph
b). autotroph
c). chemotroph
d). carnivores
Answer:
a.) Absorptive heterotroph.
Explanation:
describe the role of soil organisms in soil structure and development
Answer:
One of the most important roles of soil organisms is breaking up the complex substances in decaying plants and animals so that they can be used again by living plants. This involves soil organisms as catalysts in a number of natural cycles, among the most prominent being the carbon, nitrogen, and sulfur cycles.
Explanation:
Which of the following would be an example of competition in a biological community.
A lion eating a gazelle.
A mosquito sucking blood out of a human.
barnacles being attached to a whale.
O A deer and elk who both eat grass.
Answer:
i think A is the best answer
Explanation:
True or False:
Cold fronts often bring stormy weather.
Answer:
true, Since the other person said false here's Evidence:
Many fronts cause weather events such as rain, thunderstorms, gusty winds, and tornadoes. At a cold front, there may be dramatic thunderstorms. At a warm front, there may be low stratus clouds. Usually, the skies clear once the front has passed.