Answer:
After World War II, economic growth, population growth, rapid suburbanization, and the closing of some public transit systems led to more reliance on personal vehicles for transportation. The number of cars and trucks in the United States increased dramatically, as did the number of highways. One result of the rapid increase of motor vehicles was air pollution, especially in cities, that had serious impacts on public health and the environment.
Explain why most nerve cells have a myelin sheath (2 marks)
Answer:
This allows electrical impulses to travel efficiently and quickly along the cells.
what is the powerhouse of the cell?
Answer:
Mitochondria are responsible for respiration
Answer:
I believe it's mitochondria
150 j of work was done to lift a crate with force of 20 N how far was the crate lifted?
Answer:
7.5 m
Explanation:
W = 150 J
F = 20N
[tex] \because \: W \: = Fs \\ \\ \therefore s = \frac{W}{F} = \frac{150}{20} = 7.5 \: m[/tex]
please help!!
I WILL MARK BRAINLIEST!!!!
Answer:
1.A
2.C
3.D
4.C
5.A
Explanation:
1.There are some characteristics that are inherited from your parents, shape of blood cells is one of them. In sexual reproduction, offspring are formed when sperm of male combine with egg of female organism.Therefore, some characteristics comes from male organism and some from female organism. In sexual reproduction, diploid organism is formed because half of genes comes from male and half comes from female.
2.Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents
3.A monk, Mendel discovered the basic principles of heredity through experiments in his monastery's garden. His experiments showed that the inheritance of certain traits in pea plants follows particular patterns, subsequently becoming the foundation of modern genetics and leading to the study of heredit
4.Mendel made sure to study 30,00 pea plants when he presented his data to the community. Another example is when Mendel painstakingly removed all of the immature anthers from the plant’s flowers before the cross.Mendel used seven pea plant traits in his experiments which include flower color (purple or white), flower position (axil or terminal), stem length (long or short), seed shape (round or wrinkled), seed color (yellow or green), pod shape (inflated or constricted), and pod color (yellow or green).
5.A pea plant could have a copy of the height gene that coded for "tall" and a copy of the same gene that coded for "short." But the tall allele is "dominant," meaning that a tall-short allele combination would result in a tall plant
Discuss the concept of inserting a gene from marine algae into food crops. If researchers are successful in this endeavor, salt water is then an option for food crop irrigation. Discuss possible pros and cons of this idea. This response should be a minimum of 3 paragraphs to discuss all parts of the discussion question. Each paragraph should be a minimum of 5-7 well developed sentences.
Which of these graphs represents the effect of temperature on the rate of photosynthesis? Explain your answer.
WILL MARK BRAINLIEST!!
Graph A represents the effect of temperature on the rate of photosynthesis.
Why is photosynthesis affected by temperature?Photosynthesis is a biological process that is essential to the synthesis of energy in plants and other primary producers. Light, water, and carbon dioxide combine to generate glucose molecules, which are the building blocks of energy-containing carbohydrates.
As a result, the waste product oxygen is emitted. Numerous factors affect photosynthesis, such as the amount of carbon dioxide present, the surrounding temperature, and the amount of light. It is a reaction with a rate constraint. High light intensities accelerate the rate of photosynthetic reaction because photons, or light particles, supply the energy needed for the reaction. According to the graph, the rate rises steadily as the intensity does, but at a certain point, the intensity stops having an impact and the rate of photosynthesis plateaus or becomes constant.
Beyond this point, the reaction is restricted by either the temperature or the carbon dioxide supply. For instance, at high intensities, heat or high temperatures may even harm tissues.
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100 points, help yo boi out in Science, Giving brainy to best answer!!!!
Question 1 :
In one to two sentences, explain why low-pressure systems are associated with bad weather?
Question 2:
In 1–2 sentences, explain what biome comprises most of Antarctica and why the continent is described as being part of this biome.
Answer:
question 1
Low-pressure areas are places where the atmosphere is relatively thin. Winds blow inward toward these areas. This causes air to rise, producing clouds and condensation. Low-pressure areas tend to be well-organized storms
question 2
Scientists that work in Antarctica mostly refer to the majority of the continent as being cold desert or polar desert. The difference between cold and polar desert is very technical, mainly dealing with mineral salt chemistry.
Explanation:
hope this helps!
When cells go through division in the early stages of life, they are known of stem cells. How do
we end up with all the different types of cells?
Answer:
these differentiate as a result of signaling mechanisms. ... The daughter cells divides and after each division it becomes more specialized. When it reaches a mature cell type downstream (for example, becomes a red blood cell) it will no longer divide.
Answer:
stem cells are called upon to generate a particular type of cell, they undergo asymmetric cell division.
Explanation:
with asymmetric division, each of the two resulting daughter cells has it's own unique life course
Name and describe the four types of aquatic organisms
PLZZZZ HELP MEEE I WILL GIVE BRAINLYEST
What's the question?
I cannot download anything from the internet sorry, so i need the question to be able to answer.
Which of the follow organ systems are needed to be able to play soccer.
Answer:
the central nervous system, cardiovascular, respiratory, and musculoskeletal systems
Explanation:
what type of endangered dolphins are being tracked by artificial intelligence technology in new zealand, where only 63 adults in this subspecies live?
Answer:
Māui dolphins
Explanation:
Ye
What kind of tree was the first Christmas tree? Merry Christmas Everyone!!!!!!!!
fir tree and Merry Christmas <3
Answer:
Christmas Trees From Germany
Explanation:
Germany is credited with starting the Christmas tree tradition as we now know it in the 16th century when devout Christians brought decorated trees into their homes. Some built Christmas pyramids of wood and decorated them with evergreens and candles if wood was scarce.
Define Digestive System
Fill in the blanks.
- Enzymes are _____ that _____ _____ chemical reactions.
- Each enzyme needs to be the ______ ______ to match the reaction it helps.
- _____ _____ _____ and _____ can denature, or change an enzymes shape.
- Wrong __= ____ = __ __ __ __
Answer: Enzymes are catalysts that speed up chemical reactions
The rest are up to your teacher I don’t know how they might have worded it
pH, heat, cold, salinity, radiation are all things that can denature an enzyme, and Im not quite sure what the last one might be
good luck man
Explanation:
do plants need oxygen to make sugar?
Answer:
No. Plants MAKE sugar. They "Breath in" Carbon Dioxide
Answer:
yes
Explanation:
oxygen is used in cellular respiration which creates Co2 which in turn helps photosynthisis function creating sugar. :)
retroviruses - Examples of RNA viruses are Cvid-19 or the virus that causes __
Answer:
I think death but im not sureExplanation:
------
New cells are created from ______ ______.
Explanation:
New cells are created from existing cells through a process referred to as the cell cycle
Question 3
Mitosis produdes
03 diploid cells
o 1 haploid cells
04 haploid cells
2 diploid cells
mitosis produces 2 diploid cells
I really need help please
Answer:
There should probably be some proof in the information above, but the mass would be lost through excretion, respiration, sweating, and movement
Explanation:
Answer:
Ok, in the diagram it looks like there are arrows pointing to its mouth and its rear end right so my best guess would be that the rabbit eats the food, some of the mass is turned into energy and the rest of it goes out the rear end. I'm assuming they want you to explain how mass is turned into energy and travels throughout the body.
Explanation:
23. Where are earthquakes most likely to
occur?
A where Earth's tectonic plates are
moving together
B where
magma cools slowly beneath
Earth's surface
C where Earth's lithosphere is in
constant, slow motion
D where Earth's seafloor is spreading
into deep ocean trenches
Answer:
D where Earth's seafloor is spreading into deep ocean trenches
Explanation:
Over 80 per cent of large earthquakes occur around the edges of the Pacific Ocean, an area known as the 'Ring of Fire'; this where the Pacific plate is being subducted beneath the surrounding plates. The Ring of Fire is the most seismically and volcanically active zone in the world.in all organisms, certain genes are expressed at any given time while other genes are not. both prokaryotes and eukaryotes regulate gene expression at the transcription stage. however, the greater complexity of eukaryotic cells makes it possible for gene expression to be regulated at many other stages as well. the diagram below shows different stages at which gene expression may be regulated in eukaryotes.
Answer:
The process of turning genes on and off is known as gene regulation. Gene regulation is an important part of normal development. Genes are turned on and off in different patterns during development to make a brain cell look and act different from a liver cell or a muscle cell, for examp
Mitosis maintains chromosomes in each {blank} while meiosis maintains chromosome number in the {blank}.
Answer:
Mitosis maintains chromosomes in each cell division constant, while meiosis maintains chromosome number in half
Explanation:
Mitosis maintains chromosomes in each daughter cell while meiosis maintains chromosome number in the gametes.
What is mitosis and meiosis?Mitosis is the process by which a cell divides into two identical daughter cells, each with the same number and type of chromosomes as the parent cell. During mitosis, the cell's DNA is replicated, and the replicated chromosomes are evenly distributed into the two daughter cells. This ensures that each daughter cell receives a complete set of chromosomes, maintaining chromosome number in the daughter cells.
Meiosis, on the other hand, is the process by which a cell divides into four non-identical daughter cells, known as gametes. During meiosis, the cell's DNA is replicated, and the replicated chromosomes are shuffled through a process called crossing over. This shuffling results in gametes with unique combinations of chromosomes, which helps to maintain chromosome number in the gametes. Gametes, also known as sex cells, are the cells involved in sexual reproduction, and they are important for maintaining chromosome number in offspring.
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Which group was not present in Linnaeus' system but is present in modern classification systems? A) Species B) Kingdom C) Domain D) Phylum HELP ME
Answer:
D) Phylum
Explanation:
The group that was not present in the Linnaeus' system but is present in modern classification systems is Domain. The correct option is C.
What is Linnaeus classification system?The Linnaean classification system is based on a hierarchy of groupings known as taxa. Taxa vary from kingdoms to species.
The kingdom is the most extensive and inclusive grouping. It is made up of organisms that have only a few basic resemblances.
The Linnaean system is significant because it paved the way for the use of binomial nomenclature to distinguish between species.
Scientists could communicate instead of using misleading common names once the system was implemented.
Domain is a group that was not present in Linnaeus' system but is present in modern classification systems.
Thus, the correct option is C.
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BLOCK:
Name each number stage in the plant cell mitosis diagram below.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
CUADRA:
NOMBRE CADA ETAPA NUMERADA EN EL DIAGRAMA DE MITOSIS DE CÈLULAS VEGETALES A CONTINUACIÒN
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
Write about Cryptogams and Phanerogams
Explanation:
Cryptogams: Thallophytes, Bryophytes and Pteridophytes are called Cryptogams.Cryptogamae means having hidden reproductive organs.The reproductive organs in these plants are inconspicuous. Their naked embryos are called spores.Phanerogams: Gymnosperms and Angiosperms are Phanerogams.Phanerogams are the plants with well differentiated reproductive tissues. The seeds enclose embryo which is suspended in the stored food.-TheUnknownScientist 72
the best way to build individual muscle strength and muscle size is _________________; while the best way to improve muscular endurance is _______________________.
Answer:
By exercising and eating a good diet
Explanation:
What traditional christmas decoration is actually a parasitic plant?
Answer:
Mistletoes
Explanation:
Which cut on the evolutionary tree would create a clade?
A, B, C, D
(See photo for example)
Answer:
A
Explanation:
a cell that gains water when it is immersed in a solution is __.
Answer:
by vai osmosis because water moves from areas of low solute concentration to areas of high solute concentration