Answer:
C. The rate at which soil bacteria perform nitrogen fixation
Explanation:
Since Xavier is raising vegetables in the same spot year after year it is reasonable to expect that the plants would deplete the soil of its resources. Since the soil doesn't have enough minerals and not enough time for the bacteria to perform nitrogen fixation the plants don't grow at the same rate and numbers that they used to at the beginning.
What causes nucleotides to switch locations in a DNA molecule?
Answer:
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.
Explanation:
yoink hehehehhehhehhhhhehehehehhehehhehehehehe
Answer:
yasssssssssssssssssssss
Explanation:
what drives a mass extinction ?
Answer:
Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. One famous mass extinction event is the one that lead to the extinction of dinosaurs, 65 million years ago.
hope this helps
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What occurs after sunlight is absorbed by a chloroplast?
A. The light energy is used for the production of a carbon dioxide and water,
B. The light energy is converted to a glucose molecule
C. The light energy is converted to green light, giving the leaf its color.
D. The light energy is distributed throughout the cell to be used by basic cell functions.
Answer:
B
Explanation:
A cannot be true as photosynthesis requires carbon dioxide and water and uses light energy to break bonds and form oxygen and glucose
C cannot be true as chloroplasts contain chlorophyll which gives the cell its green colour by not absorbing green wavelengths of white light
D is not right as I do not believe photosynthesis is a basic function
Which of the following is found in all organisms?
o chloroplast
O lysosomes
nucleoli
ODNA
Physical and chemical properties of
the earth
A. are the same in every layer.
B. are the same in the inner and outer core.
C. are used to distinguish the layers of the earth.
D. never change.
Answer:
B...................
Answer: C
Explanation: are used to distinguish the layers of the earth
The work of Charles Darwin and Alfred Wallace on the origin of the Earth's species extended the ideas of Lyell's uniformitarianism
into the biological sciences. The theory of evolution is based on the principle that the diversity seen in the Earth's species can be
explained by the
es
A)
random variation in the genetics of any population.
B)
idea that in any population, too many individuals are produced.
uniform modification of genetic traits over long periods of time.
D)
sudden change in the gene pool due to mutations within the DNA of a
given population.
Answer:
Explanation:
Newww album next week,
(31) The rough endoplasmic reticulum
(A) has ribosomes bound to it
(B) is part of the membrane system found throughout the cell’s cytoplasm
(C) is connected to the nuclear envelope
(D) all of the above
All of the above are correct
You would MOST LIKELY find a savannah grassland biome in an area with
A)
50 cm of precipitation.
B)
100 cm of precipitation.
200 cm of precipitation.
D)
250 cm of precipitation.
Answer:
D
Explanation:
Savannah grassland biome is found in an area with an average precipitation of 76.2-101.6 cm. Therefore, option B is correct.
What is the savannah grassland biome?A region of grassland with scattered trees or groups of trees is how the savanna biome is frequently defined.
The savanna is a dry environment, making it difficult for tall plants like trees to flourish. The trees and grasses that thrive on the savanna have adapted to the dry climate and limited water supply.
In regions with savanna growth, a tropical wet and dry climate is prevalent. The annual precipitation averages between 30 and 50 inches, while the mean monthly temperatures are at or above 64 degrees Fahrenheit. Less than 4 inches are received per month during the dry season for at least five months out of the year. Hence, option B is correct.
Learn more about the savannah grassland biome, here:
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How can eatind an apple dor lunch be used by a persons body for growth and repair
The mass of a proton?
☁️My Answer☁️:
The mass of the proton is the sum of the mass of current quarks and the binding gluons. The mass of the proton is-
⬇️
Proton mass mp = 1.672621898(21)×10−27 Kg
The Mass of proton is higher than the mass of electron.
☼Mass Of Proton In Other Units☼:
The mass of the proton can be expressed in alternative units like – proton mass AMU, the mass of the proton in kg, proton mass MeV. The table given below comprises the value of proton mass and corresponding units.
✯Proton mass✯: ∞Value∞:
Mass of the proton in kg 1.672621898(21)×10−27 kg
Mass of the proton in grams 1.672621898(21)×10−24 g
Mass of proton in AMU 1.007276466879(91) u
Proton mass MeV 938.2720813(58) MeV/c2
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I hope this helped you,
And I do hope you enjoy the rest of your day! (ɔ◔◡◔)ɔ ♥
-Kirby ★ ツ ✌
What will most likely happen if an appropriate enzyme is added to a chemical reaction
If any appropriate enzyme will be added to the solution, then the reaction rate will increase. The correct option is A.
What is reaction rate?The reaction rate or rate of reaction is the rate at which a chemical reaction occurs, defined as proportional to the increase in product concentration per unit time and the decrease in reactant concentration per unit time.
The rate of a reaction is an extremely useful diagnostic tool. We can improve production by learning how fast products are made and what causes reactions to slow down.
This information is required for the large-scale production of many chemicals, such as fertilizers, drugs, and household cleaning products.
The reaction rate will increase if an appropriate enzyme is added to the solution.
Thus, the correct option is A.
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Your question seems incomplete, the missing options are:
The reaction rate will increase.The equilibrium of the reaction will be maintained.The reaction rate will decrease.The reaction will stop.Explain the relationship between these terms. Photosynthesis, chlorophyll, thylakoids, and chloroplasts.
Answer:
Photosynthesis is the process by which plants take sunlight, carbon dioxide, and water to produce more complex molecules such as glucose and oxygen. This process is carried out cellularly in the chloroplasts. Chloroplasts are formed by thylakoid membranes where pigments such as chlorophyll are found. Chlorophyll is the pigment that captures the photons of light and activates the entire photosynthetic system through the excitation of an electron.
Answer:
Photosynthesis occurs in the chloroplasts.
Chloroplasts capture light energy.
Thylakoids can be found inside chloroplasts, where light-dependent reactions occur.
Chlorophyll is found in the thylakoids.
Chlorophyll absorbs light energy.
Chlorophyll is what makes plants look green.
Explanation:
8. The atomic number of an element is
a) equal to the number of isotopes of that element
b) is equal to the number of protons in the nucleus of an atom of that element
c) is equal to the number of neutrons in the nucleus of an atom of that element
d) is equal to the number of particles that can be found in the nucleus of an atom of that
The correct answer is B) is equal to the number of protons in the nucleus of an atom of that element.
Explanation:
The atomic number, which is represented by the letter Z, refers to the number positively charged particles known as protons. This characteristic is key in chemistry and related areas because based on these features elements have different properties and are named. For example, an atom of nitrogen element always contains 7 protons, while one of the gold contains 79 protons. Moreover, this property is not related to the number of neutrons because atoms with the same atomic number might differ in the number of neutrons, which leads to isotopes of the same element.
Which type of fossil is formed by sediments and found in sedimentary rock?
O mold of a fish
O petrified wood
• carbon film of a leaf
O preserved insect
Answer:
C
Explanation:
Trust me on this, also can I have brainlest.
Carbon dioxide (CO2) is released during which of the following stages of cellular respiration?
Answer:
During glycolysis carbon dioxide is released
Explanation:
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C6H12O6 + 6O2 --> 6H2O + 6H2O
How many total atoms of oxygen are on the reactants side?
SELECT AN ANSWER
6
12
18
2
Answer:
18
Explanation:
6 in C6H12O6 and 12 (6×2) from O2
Therefore, 12 + 6 = 18
Which of the following is not part of the cell theory?
A.All living things are made of cells.
B.All cells come from other living cells.
C.The cell is the smallest component of an organism.
D.Cell membranes move materials in and out of the cell.
Answer:
i think that the answer is b
Please help me please!!
(Picture above)
C6H12O6 + 6O2 --> 6H2O + 6H2O]\
Is the equation above balanced?
No; there are un equal numbers of each type of atom on both sides.
No; the mass of reactants and products do not equal one another.
Yes; it has equal numbers of each type of atom on both sides.
Yes; the mass of the reactants are equal.
Answer:
no
Explanation:
the carbon isnt there at all
In an experiment, three plants of the same species were grown in each of six identical pots. The heights of the plants were measured when growth began. Each post was watered everyday with salt solutions of different concentrations. The data for the experiment are shown on the table
1.) state the effect of increasing the percent of salt in the solution used to water the plants on the average final height of the plants in groups A through D
2.) state one way diffusion was involved in the cause of death of the plants in groups E and F.
Answer:
See the answer below
Explanation:
1. The data from the experiment shows that as the percentage of salt in the solution used to water the plants increased, the growth rate of the plants decreased. As the percentage increased from A to D, the change between the average initial and the final heights decreased, meaning that an increase in the percentage of the salt in the solution used to water the plants had a negative impact on the growth rates of the plants.
2. Due to the solutions used to water the plants in groups E and F being more concentrated (hypertonic) to that of the cell sap of the plant, water molecules diffused out of the cell sap to the ambient solution. As time goes by, the plants lose too much water, become wilted, and died off eventually. Instead of water molecules to keep diffusing into the plants in order for them to grow, the reverse was occurring and this led to their death.
Match the term to its definition.
control group, data, hypothesis, inference
observations that may be quantitative or qualitative
a tentative, testable scientific explanation
useful for determining the effect of the independent variable
a logical interpretation based on prior knowledge
Explanation:
hypothesis is the last one
data is the 3rd one
inference is the 2nd one
and control group is the first one
process of elimination is your best friend
Please please please please help me please
Answer:
A. Bees and Butterflies receive food while pollinating the flowers.
Which of the following organelles would be affected first if there were no lipids present to allow nutrients to enter the cell and waste to be removed from the cell?
a. cell wall
b. endoplasmic Reticulum
c. golgi body
d. cell membrane
PLEASE I NEED THIS ASAP !!!
Answer:
cell wall will be affected
According to scientists, all of the bodies in the universe came from a rotating cloud of gases and dust about
billion years ago.
O 3.5
O 2.5
O 4.5
O 1.2
It's either 3.5 or 1.2
There would be more evidence spread out through space to be noticed by scientists and it seems like a stretch to go as far back as 4 billion years ago.
(I mean really? That much before the DINOSOURS died? I don't think so)
◕‿◕
Hope this helps
Miri
Which of these causes the day/night cycle on earth
Answer:
Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.
Explanation:
hope it becomes helpful to you ☺️☺️
good luck
Answer:
Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.
Explanation:
:) hope this helps!
while mutation is random, natural selection is not. In your own words, explain how this is possible
Answer:
Mutation is a alteration in the DNA sequence in a gene during cell divison iwhere gene is coded mitakeny or due to the error. Mutatio is a random process as it can not be determind or known befor bthechange in sequence what gene or DNA would be effected by it or what genes would be transfer from the parents.
Natural selection is a process where some of the traits that are helpful in the surviving and increasing the number of individuals in a population and transfer from one generation to other according the adaption and change over the long timeline. Thus, it is not random and based on the traits that are helpful in a environment or for the survival of
Study the diagram of a cell.
Which structures are found in both plant and animal
cells?
O W and X
O W and Z
O X and Y
Y and Z
Help me please
Please help me I’m begging you please help
Answer:
d
Explanation:
because there is no rain the rabbit has no water so they die if they die foxes dont eat them so the foxes stave and die of starvation