Answer:
The outer layer or earth's surface is called the
crust which consists of cool rock
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
Which organelle is the site where energy is made in an animal cell?
A. Golgi bodies
B. Nucleus
C. Endoplasmic Reticulum
D. Mitochondria
Answer:
D
Explanation:
Answer:
D
Explanation:
The Mitochondria is the power house of a cell
Which wavelength of light are more stretched—red light or blue light?
Answer:
Red
Explanation:
Blue light has a shorter wavelength than red.
The location on earth surface above the point where an earthquake start is
Answer:
The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.
Explanation:
Answer:
The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.
hope this helps
Having an accurate model of an atom is important except..
A. It can help give information on how atoms work.
B. We use the model to learn how to create new things.
C. Learning about atoms will help create better organisms.
D. It can help support the explanation of the origin of the universe.
How they worded this question does not make sense to me.
Answer:
I think the answer is D. but I'm not 100% sure.
Answer:
The answer to your question is going to be A.
Explanation:
It teaches us how atoms work. and it also gives us more information about how and what they are!!
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How do we get our oxygen if plants do cellular respiration. If plants do cellular respiration and photosyntehsis shouldn't there be no oxygen in the air?
25-1
Seasonal
Forest
Biome
Productivity
Kcal/m2/year
i Thom Scrub
Grasse
Desert
TROPICAL
20-
Scrubber Semi Dosen
Tundra
600
IS-
TEMPERATE
Grassland
2000
10-
Mean Annual Temperature (°C)
Pesert
200
0-
Seasonal
Forest
6000
5-11
Tundra
Rainforest
9000
10-
Scrubland
1000
500 1000 1500 2000 2500 3000 3500 4000
Mean Annual Precipitation (mm)
Based on the data given in the graph and table, which environmental factor contributes
to greater biodiversity?
O Plant biomass per meter
0 Available water
Average latitude
0 Average temperature
Answer:
18000
Explanation:
you add all the mean Annual precipitation
People find that when they seek treatment for disorders:
A. they often feel much better.
O B. they feel worse than before treatment.
OC. there isn't much hope.
O D. all people are given medication.
A!!!
Explanation:
getting better
The risk of chronic diseases linked to stress, anxiety, and substance addiction is also decreased by mental health services. Most importantly, mental health treatments improve the perspective for people who might feel lost and hopeless, while also saving lives. Thus, option A is correct.
What is to seek treatment for disorders?All forms of medical care are included, unless specifically stated differently (below). Using prescription drugs or a non-prescription drug that has been diluted to a prescription level.
The diagnostic procedure serves as both a prelude to and a form of treatment in and of itself. Problems with behavior and physical health can both be helped by diagnosis when it is used as a therapeutic tool.
Therefore, people find that when they seek treatment for disorders. They often feel much better.
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Farmers have selected for increased oil content from corn. For a long time, the plants responded with steadily increasing oil content, but recently the response slowed and then stopped. When this line of corn is crossed to another line and the hybrids are selected, the oil content resumed its climb. What is a plausible reason for the lack of response?
A. The environmental conditions improved.
B. The genetic variation for the trait was exhausted.
C. There was too much genetic variation for the trait.
D. The environmental conditions deteriorated.
E. Artificial selection is different than natural selection.
Answer:
B. The genetic variation for the trait was exhausted.
Explanation:
Oil content is a quantitative trait, ie., a phenotypic feature that depends on the accumulative effects of many genes and the interaction of a genotype with its environment. During crop improvement, the plants (i.e., lines) containing desired alleles involved in the variation of this trait will be selected, thereby increasing oil content but simultaneously decreasing the genetic variation of the population. In consequence, after successive rounds of artificial selection, lines will not have sufficient genetic diversity to be again selected for this trait.
You and your friend want to see how changing the type of liquid (e.g. water, milk, orange juice) given to a plant affects how high it grows. What would be the independent variable in this experiment?
SELECT AN ANSWER
1)the type of plant used
2)the temperature of the air
3)the type of liquid
4)the height of the plant
Answer:Hi! It’s the type of liquid/third answer
Explanation:
This is the independent variable because it’s the component of the experiment that is being changed to measure the results.
Intense heat at Earth's core creates
in the mantle, which in turn
leads to movement in the
Intense heat at Earth's core creates movement in the mantle, which in turn leads to movement in the crust as the earth has three layers, such as the innermost core and the outermost crust layer.
What is the significance of the earth's layers?The earth is composed of several layers, each with unique properties and characteristics, such as the core, mantle, and crust, the core is made up of two layers: the inner core and the outer core, while the inner core is made up of solid iron and nickel and the outer core is a liquid layer of iron and nickel, the mantle is the thickest layer of the earth and is made up of solid rock present outside of the core, and the crust is the outermost layer of the earth and is made up of solid rock.
Hence, intense heat at Earth's core creates movement in the mantle, which in turn leads to movement in the crust as the earth has three layers, such as the innermost core and the outermost crust layer.
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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
Definition of inversion
If an equal force is applied to each of the following, which would be the least affected?
A.
5kg hummingbird
B.
90kg cheetah
C.
2,000kg schoolbus
D.
6,000kg airplane
What is a waste product must be removed from the body
Answer: Excretion is the removal from the body of waste products which result from normal life processes. Waste products such as carbon dioxide must be removed. If they are allowed to accumulate they cause poisoning which slows down vital chemical reactions.
Explanation:
Which BEST describes the process of aerobic cellular respiration?
A: a process of energy cornversion that releases energy from food in the presence of Oxygen, forming new cormpounds
B: a process of energy conversion that captures light energy and transforms it into chemical energy
C: a process of energy trarsfer that converts liquid water into water vapor
Answer:
B.) A process of Energy conversion that captures light energy and transforms it into chemical Energy.
Explanation:
Aerobic respiration is the process of producing cellular energy involving oxygen. Cells break down food in the mitochondria in a long, multistep process that produces roughly 36 ATP. The first step in is glycolysis, the second is the citric acid cycle and the third is the electron transport system.
DNA is composed of two complementary strands this is reflected in the fact of that
Answer: The number of adenines in one strand is equal to the number of thymines in the complemetary strand.
Explanation:
Deoxyribonucleic acid or DNA is a molecule that contains the genetic information in all living organisms. So it contains all the hereditary genetic information that has the instructions to development. This DNA molecule consists of two strands that bond together to form a double helix structure. Each strand of DNA is made up of nucleotides which are basic chemical components made of a phosphate group, a sugar group and one of four types of alternative nitrogenous bases. The four types of nitrogenous bases found in the nucleotides are:
Adenine (A)Thymine (T)Guanine (G) Cytosine (C).The sequence of these bases determines how genes are made, and each gene has different biological instructions to create proteins (that will have different functions in the organism). To form a DNA strand, the nucleotides are linked together in chains, alternating with the phosphate and sugar groups.
The nitrogenous bases are complementary between them. Adenine and thymine are complementary, as are guanine and cytosine. So since adenine is complementary to thymines, and cytosine is complementary to guanine, the number of adenines in one strand is equal to the number of thymines in the complemetary strand. And the number of cytosine is equal to the number of guanine.
DNA is composed of two complementary strands this is reflected in the fact of that - The amount of adenine in one strand is always equal to the amount of thymine in the complementary strand.
A stable double helix of DNAthe two strands of DNA are antiparallel which means if one strand is, the 5' → 3' direction of one strand runs opposite to the other strand.The two DNA chains are held together by complementary base pairing between A and T bases and between G and C bases.The hydrogen bonds are found between the bases of the two strands of nucleotides.Adenine forms hydrogen bonds with thymine whereas guanine forms hydrogen bonds with cytosine.This is called complementary base pairing.
Thus, DNA is composed of two complementary strands this is reflected in the fact of that - The amount of adenine in one strand is always equal to the amount of thymine in the complementary strand.
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Please please please please help me please
Answer:
A. Bees and Butterflies receive food while pollinating the flowers.
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:
Can a molecule function without atoms?
What does it mean for a model to be "to scale", or a scaled model?
Answer:
To scale means it's the same size as in real life, as in 1 foot = one foot
Scaled means it's shown either larger or smaller, as in 1 foot = 1 inch or 1 foot = 1 mile
Explanation:
Natural selection occurs when:____.
a. a factor in the environment alters the genetic information in DNA of all members of a species.
b. only when nonrandom mating occurs.
c. a new genetic variation occurs that allows individuals to have a reproductive and survival advantage.
d. when a small number of individuals of a population break away and form a new population.
Answer: The correct option is C.
a new genetic variation occurs that allows individuals to have a reproductive and survival advantage.
Explanation:
It is a new genetic variation occurs that allows individuals to have a reproductive and survival advantage because natural selection is a survival mechanism in which organisms develop a variation in genetic traits or develop characteristics which help them to reproduce,survive,adapt to their environment and pass on these characteristics to their offsprings which can be transfer to generations.
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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While sheep provided meat, milk, and fiber, cattle provided:
O Meat, milk, labor
Meat, milk, leather
Meat, milk, leather, labor
O Meat and milk
Answer:
The c
Meat Milk Leather labor
Explanation:
Which of the following organisms would use cellular respiration in mitochondria
to produce ATP for their energy needs? *
1.ducks
2.frogs
3.bacteria
4.grasses
6.sharks
7.snakes
8.trees
9.bears
Answer:
Frogs, ducks, sharks, snakes, bears, grasses, and trees.
Everything except bacteria.
Explanation:
All eukaryotes use cellular respiration in the mitochondria.
Prokaryotes, such as bacteria, do not have a mitochondria.
How many sig figs in 4737
Answer:
There are four significant figures.
Explanation:
Significant figures:
The given measurement have four significant figures 4.7.3 and 7.
All non-zero digits are consider significant figures like 1, 2, 3, 4, 5, 6, 7, 8, 9.
Leading zeros are not consider as a significant figures. e.g. 0.03 in this number only one significant figure present which is 3.
Zero between the non zero digits are consider significant like 104 consist of three significant figures.
The zeros at the right side e.g 2400 are also significant. There are four significant figures are present.
The Earth's uppermost layer is made up of tectonic plates. The primary tectonic plates are shown on the map below. Image courtesy of the USGS At the boundaries of tectonic plates, rock materials A. are brought to Earth's surface from its interior and to Earth's interior from its surface. B. cannot be found due to the process of melting. C. are only brought to Earth's interior from the surface. D. are brought to Earth's surface through the process of erosion.
Answer:
A
Explanation
A. are brought to Earth's surface from its interior and to Earth's interior from its surface.
The tectonic plate boundaries, rocky material brought to the Earth's surface from its interior and from the Earth's surface to its interior. So, the correct option is A.
What are Tectonics plates?Tectonic plates are defined as huge pieces of Earth's crust and uppermost mantle that are made up of oceanic crust and continental crust. Earthquakes occur around major faults that mark mid-ocean ridges and plate edges.
These plates act like hard and rigid shells in comparison to Earth's mantle which is the strong outer layer called lithosphere. At tectonic plate boundaries, rocky material is brought to the Earth's surface from its interior and from the Earth's surface to its interior.
Therefore, the correct option is A.
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Some genetic disorders, such as sickle cell disease, are due to?
Answer:
I didn't know how to explain it very well so I had goog.le help me:
Sickle cell disease is caused by a mutation in the hemoglobin-Beta gene found on chromosome 11. Red blood cells with normal hemoglobin are smooth and round and glide through blood vessels.
I need help please & show work??
Hydrogen - 3 is a radioisotope with a half life of 12.32 years. How long would it take a 40 g sample to decay down 2.5 g ?
Answer:
Whether or not a given isotope is radioactive is a characteristic of that particular isotope. Some isotopes are stable indefinitely, while others are radioactive and decay through a characteristic form of emission. As time passes, less and less of the radioactive isotope will be present, and the level of radioactivity decreases. An interesting and useful aspect of radioactive decay is half-life, which is the amount of time it takes for one-half of a radioactive isotope to decay. The half-life of a specific radioactive isotope is constant; it is unaffected by coTnditions and is independent of the initial amount of that isotope.
Consider the following example. Suppose we have 100.0 g of tritium (a radioactive isotope of hydrogen). It has a half-life of 12.3 y. After 12.3 y, half of the sample will have decayed from hydrogen-3 to helium-3 by emitting a beta particle, so that only 50.0 g of the original tritium remains. After another 12.3 y—making a total of 24.6 y—another half of the remaining tritium will have decayed, leaving 25.0 g of tritium. After another 12.3 y—now a total of 36.9 y—another half of the remaining tritium will have decayed, leaving 12.5 g. This sequence of events is illustrated in Figure 15.1 “Radioactive Decay”.
Explanation:
Assume that conditions in Paxton Lake, including the availability of benthos and zooplankton and the number and type of predators in the benthic and limnetic zones, remain unchanged. If you returned to Paxton Lake in a thou- sand years and collected data about the mating choices of benthic and limnetic sticklebacks and the proportions of benthic, limnetic, and hybrid sticklebacks in the lake, what would you expect to find
Answer:
The sticklebacks will remain a single species
Explanation:
When species leave in an area with favorable conditions, it feeds and reproduces freely, and when these conditions (availability of food, predator population) remain unchanged for a long period of time, the specie's physiology and habits would also remain unchanged (there would be no speciation).
