Answer:
Accelerating it.
Explanation:
Dark energy is a hypothesis by which the growing tendency of the universe to expand constantly is explained, with which it is inferred that this dark energy is a kind of inverse gravity, which instead of attracting repels the extremes of the cosmos expanding its size and dimension . Although its definition is very ambiguous and abstract, the truth is that it is a hypothesis that seeks to explain this physical behavior of the cosmos.
name any method used in classifying soil into Sandy, clay and loam?
Answer:
SOIL TEXTURE?
Elephants shape their environment in many ways. They can change a forest to a grassy field or dig a hole that might become a pond. They clear large amounts of vegetation, which removes habitats for some organisms but makes the area inviting for other organisms. Which best describes possible interactions of elephants with the surrounding
ecosystem?
A) positive
B) negative
C) neither positive nor negative
D) both positive and negative
Answer:
The Answer is D (Both Positive and Negative) I hope this helps.
Explanation:
Answer:
d)both positive and negative
Explanation:
edge 2020 pls mark brainliest
Select the best answers from the drop-down menus.
The
nerves control the muscles in the arms, shoulders, and neck.
The
nerves control the muscles in the abdomen and chest.
The
nerves control the muscles in the lower back, legs, and feet.
Answer:
nerves control the muscles in abdomen and chest
Answer:
The ✔ cervical nerves control the muscles in the arms, shoulders, and neck. The ✔ thoracic nerves control the muscles in the abdomen and chest.
The ✔ lumbar nerves control the muscles in the lower back, legs, and feet.
Explanation:
According to the cell theory, which describes cells? All organisms are composed of multiple cells. All cells haveAccording to the cell theory, which describes cells?
All organisms are composed of multiple cells.
All cells have the same structure and function.
Cells are found in everything on Earth.
All living cells come from other living cells. the same structure and function. Cells are found in everything on Earth. All living cells come from other living cells.
Answer: All living cells come from other living cells.
Explanation: That is told in the cell theory. The last option.
All changes
saved
4. If you are measuring distance, which of the following prefixes indicate a unit of measure that is larger than the base
unit (meters)? (Choose all that apply)
mega-
kilo-
centi-
giga-
micro-
nano-
Answer:
mega-
kilo-
giga-
Explanation:
The standard unit of distance is in meters. Distance is the length of path covered by a body.
Only mega, kilo and giga are units that are larger than the base unit of distance which is meters.
Mega is of the order 10⁶
Kilo is of the order 10³
giga- is of the order 10⁹
The prefixes below are submultiples:
centi- 10⁻²
micro- 10⁻⁶
nano- 10⁻⁹
Explain in short about the plant resources of nepal??
Answer:
Ficus religiosa, Ocimum sanctum, Elaeocarpus sphaericus, Desmostachya bipinnata, Garden angelica, Luculia gratissima, Meconopsis villosa, Persicaria affinis, Hardwood, bamboo, palm, and sal trees.
Explanation:
Ficus religiosa, Ocimum sanctum, Elaeocarpus sphaericus, and Desmostachya bipinnata are the medicinal plants that are grown in Nepal which is used in different medicines. Garden angelica, Luculia gratissima, Meconopsis villosa, and Persicaria affinis etc are the important plants which are on large area. Hardwood, palm, bamboo, and sal trees are grown on the Terai region.
On Earth, what process generates most of the water vapor?
Answer:
Evaporation
Explanation:
Which option identifies the land stewardship issue of most concern in the following scenario?
The weather this year has been unusually dry; nevertheless, the number of cattle in the herd has increased.
wildfire control
erosion control
disease control
water conservation control
Answer:
wildfire control
Explanation:
Cattle grazing has been used as an effective wild fire control. On a yearly basis, grazing can reduce the amount and alter the continuity of fine fuels, potentially changing wildfire fire spread and intensity (Stand et al., 2018).
Historically, however, grazing pressure was one of greatest tools for reducing fine fuels that carry wildfires (Miller et al., 1994).
Livestock are very important in reducing the risk of wildfire because they remove the fine fuels; this removal of fine fuels by livestock grazing results in less occurrences of fire hazards.
Answer:
the correct answer is "erosion control"
Explanation:
The correct answer is erosion control. A high animal load on grasslands experiencing drought can lead to serious erosion problems. This situation can be exacerbated if winds remove topsoil; combined with overgrazing and drought, any new moisture could further the erosion of the soil.
What living thing is made up of photographed cells above?
Answer:
Organs work together to form organ systems. Multicellular organisms—such as humans—are made up of many cells. The cells in multicellular organisms may be specialized to do different jobs and are organized into tissues, such as connective tissue, epithelial tissue, muscle, and nervous tissue.
Explanation:
Brainliest please?
which rna base bonded with the thymine
Answer:
Uracil
Explanation:
Adenine and thymine form base pairs that are held together by two bonds in DNA. BUT in RNA thymine is replaced with Uracil
Which of the following molecules are needed for photosynthesis?
Answer:
Carbon dioxide and oxygen is needed for photosynthesis, and water if you have the choice.
Explanation:
The molecules needed for photosynthesis are carbon dioxide and water.
What is photosynthesis?Photosynthesis is a process performed by green plants where they are able to synthesize their own food material from inorganic material using sunlight.
Photo - light and synthesis - to make. So the word photosynthesis means to "make something using light".
In green plants, the mesophyll cells of the leaves contain a green pigment called chlorophyll. It is present in the grana of their chloroplast. The chloroplast is thus the site for photosynthesis.
The inorganic matter required for photosynthesis is obtained from the environment. The carbon dioxide is obtained from the atmosphere by the stomata and water is absorbed by the roots.
The chlorophyll traps the sunlight which provides the energy for the hydrolysis of water and the formation of glucose and oxygen as a byproduct.
Therefore, the molecules required for photosynthesis are carbon dioxide and water.
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1. **In the procedure shown below, a calcium chloride solution is mixed with a sodium sulfate solution to create the products shown. Which of the following is illustrated by this activity?
a. The law of conservation of mass
b. The theory of thermal equilibrium
C. The law of conservation of energy
d. Newton's 2nd Law
The reaction follows the law of conservation of mass since the mass remains same before and after the reaction. Therefore, option (A) is correct.
What is the law of conservation of mass?According to the principle known as the rule of conservation of mass, during a chemical reaction, mass can neither be created nor destroyed. When coal is burned, for instance, the atom of carbon that it contains transforms into carbon dioxide. The mass of the carbon atom remains constant even as it transforms from a solid structure to a gaseous state.
The study of chemical reactions, as well as their generation, places a significant emphasis on the principle of mass conservation. Scientists are able to make accurate forecasts regarding the amounts of products that will be produced from a certain reaction if they are aware of both the amounts of reactants and their identities.
Thus, in the above reaction the mass is conserved and option (A) is correct.
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HELP! WILL GIVE BRANLIEST!
(Both questions 17 and 18)
EXTRA POINTS TOO
Answer:
For question 18 i think the answer is (B) becasue the cell membrane is the wall of a cell and so in a bank it would be the security guard. Then for question 17 its either B or C.
Explanation:
Reverse transcriptase is a useful enzyme to have when?
Answer:
Reverse Transcriptase (RT) is essential for HIV replication because the viral RNA genome on its own is highly susceptible to degradation by intracellular RNases. RT rapidly makes a much more nuclease-resistant double-stranded DNA copy of the RNA template that later integrates to form the proviral DNA.
This molecule is used by retroviruses to create DNA by using mRNA as a template. We know that normally transcription is the synthesis of mRNA from DNA. This can be useful in bioengeneering when using a virus as a vector to alter the genetic material of the host.
Why does a crumpled piece of paper hit the ground before a flat sheet of paper? (DOK 1, AKS 8c)
OA The crurmpled paper is less massive.
O
B. The acceleration of gravity is greater on the crumpled paper.
OC. There is more air resistance against the flat paper.
OD. The crumpled paper is more massive.
Answer:
C because a flat paper is spread out while a crumbled paper has more gravity but little air resistance
What happens to the domains in this iron nail when the south pole ofa
magnet approaches it from the top?
OA. Al the arrows align to point right.
OB. AI the arrows align to point up.
OC. AIl the arrows align to point left.
OD. AIl the arrows align to point down.
Answer:
B
Explanation:
Answer: all the arrows align to point left
Explanation:
Which nitrogen base sequence is the partner of O C-A-T-C-G-A?
O C-A-T-C-G-A
O G-T-A-G-C-T
O (wrong) T-G-C-T-A-G
O G-C-A-T-G-T
Answer:
3rd one
Explanation:
hope so but if not am sorry
The energy value listed for foods refers to the
a. total amount of chemical energy in the food
b. amount of energy available as fuel for the body
C. total nutritional value of the food
d
amount of carbohydrates
Answer:
b. amount of energy available as fuel for the body
Answer: B
amount of energy available as fuel for the food
Explanation:
EDGE 2021
my inner mouth is bite by my own teeth is it dabgerous
Answer:
Okkkkkkkkkkkkkkkkkkkkk
Explanation:
In tomatoes, the following hypothetical pathway gives rise to different fruit colors. Y gene R gene Precursor substrate Intermediate substrate Product and lacks color and fruit is and fruit is yellow fruit is red green from chlorophyll Mutations in the genes for both of the enzymes produce lack-of-function, recessive alleles. What would be the expected genotypic and phenotypic segregation ratios if you self-fertilize a RrYy individual
Answer:
Explanation:
From the information given:
The analysis of the hypothetical pathway gives:
Y gene R gene
Green fruit → Yellow fruit → Red fruit.
If RrYy undergoes self-fertilization, the expected genotypic and phenotypic segregation is:
RrYy × RrYy
The progenitors to undergo the segregation are as follows:
RY Ry rY ry
RY RRYY RRYy RrYY RrYy
(red) (red) (red) (red)
Ry RRYy RRyy RrYy Rryy
(red) (green) (red) (green)
rY RrYY RrYy rrYY rrYy
(red) (red) (yellow) (yellow)
ry RrYy Rryy rrYy rryy
(red) (green) (yellow) (green)
Thus; the expected phenotypic ratio is:
= 9(red) : 3(yellow) : 4(green)
The expected phenotypic ratio is:
= 1(RRYY): 2(RRYy): 2(RrYY): 4(RrYy): 1(RRyy): 2(Rryy): 1(rrYY): 2(rrYy): 1(rryy)
discuss the adaptations enabling the move of charophyte algea to land
What is genotype for a recessive trait found on the female chromosome
Answer:
The genotype for a recessive trait found on the female is XH.
Explanation:
CAN SOMEONE PLEASEEEE HELP ME WITH THIS SCIENCE QUESTION THANK YOU:)
Answer:
C
Explanation:
Low productive rate
Which BEST describes why certain traits led to an increased frequency within the population of medium ground finches?
A
because the traits were acquired
B
because the traits were favorable
C
because the traits were inherited
D
because the traits were mutations
If you soak your hands in dishwater, you may notice that your skin absorbs water and swells into wrinkles. This is because your skin cells are ______ to the _______ dishwater. Question 16 options: hypotonic....hypertonic hypertonic.....hypotonic isotonic.....hypotonic hypertonic....isotonic
Answer:
Hypertonic...hypotonic
Explanation:
Hope this helped, Have a Wonderful Day!!
Which example has the most complex level of cellular organization?
A. brain
B. muscle
C. bone cell
D. nervous system
1. How is it possible for carbon to be both a necessity and a danger at the
same time?
Answer:
Because you gain weight...
Explanation:
PLEASE HELP ME MARKING BRAINIEST ITS ABOUT SCIENCE
Discuss what you recall about physical and chemical changes. Generate a list of evidence that would indicate a chemical change has occurred.
Answer:
physical changes only change the appearance of a substance
chemical changes cause a substance to change into an entirely substance with a new chemical formula.
Explanation:
physical change: breaking a glass and chopping wood.
chemical change:food cooking and temperature change
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Which of the following statements about the structure of DNA is true?
A) It contains adenine, uracil, guanine, cytosine, and phosphorus.
B) It is composed of phosphates, nitrogenous bases, and ribose sugars.
C) It is composed of a single strand that consists of deoxyribose and phosphate.
D) It contains adenine, thymine, guanine, cytosine, and deoxyribose sugar.
Answer:
D
Explanation:
dna does not contain uracil. (uracil is in RNA)
dna does not have ribose sugars (ribose sugars are in RNA)
dna is not a single strand.
dna contains adenine, thymine, guanine, cytosine, and deoxyribose sugar.
DNA is a double stranded molecule. It has two strands of deoxy ribose sugar and the phosphorus groups where the H and OH bonding is present as well. It contains A,T,C and G. 4th option is correct.
What is the the full form of DNA ?DNA stands for deoxyribonucleic acid. It is made up of nucleic acid comprised with the sugar at which O is removed at the 2nd position.
DNA is double stranded in nature. The strand one of between the two strands where the first is called as template strand and the other one is called as coding strand. DNA copies DNA and the process is called as replication. DNA replication unit must have one ori that is origin of replication, promoter that is mostly attached at the 5' end of the strand.
The unit continues to add on bases in order to make the strand until the synthesis is complete. The nitrogenous bases of DNA are A,T,C and G where A stands for adenine, T for thymine, C for cytosine and G for guanine.
Therefore only option D is correct.
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Explain how trees can be producers and yet the smalest trophíc level in a pyramid of nurnbers
Answer:
they give food to animals as well as human all so
Answer:
This is because there may be one large producer or a small number of very large producers. For example, adult oak trees are extremely large and a single one may be home to hundreds of organisms. Thus, the number of organisms in the lower level of the pyramid of numbers will be less.
Explanation: