FIRST ONE TO ANSWER AND CORRECT GETS BRAINLYIST AND 100 POINTS!!!!!!!!!!!!!!!!!
which statement best describes one positive and one negative way that society was impacted by the use of DDT?
A. Society was positively impacted by increased insect control in crops, but it was negatively impacted by harmful chemicals.
B. Society was positively impacted by insect resistance, but it was negatively impacted by harmful chemicals.
C. Society was positively impacted by increased insect control in crops, but it was negatively impacted by malaria and typhus.
D. Society was positively impacted by insect resistance, but it was negatively impacted by malaria and typhus.
Answer: The answer is A
Explanation:
Society was positively impacted by increased insect control in crops, but it was negatively impacted by harmful chemicals. Hence option A is correct.
What is DDT?DDT is defined as the 1940s saw the development of the first synthetic modern pesticide. It aided in the prevention of illnesses like typhus and malaria. Researchers classify DDT as an endocrine-disrupting chemical, or an EDC, because there is evidence that it alters and disrupts hormones crucial for healthy health, including reproductive health, as well as neurological and immunological processes.
Even while scientists began to raise concerns about such risks in the middle of the 1940s, it wasn't until the publication of Rachel Carson's book Silent Spring in 1962 that the use of the chemical became the subject of broad public concern. DDT, often known as dichlorodiphenyltrichloroethane, is a pesticide used in farming. DDT usage was outlawed in the US in 1972. DDT is still used in several non-American nations to keep mosquitoes that cause malaria at bay.
Thus, society was positively impacted by increased insect control in crops, but it was negatively impacted by harmful chemicals. Hence option A is correct.
To learn more about DDT, refer to the link below:
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Moving ions against a concentration gradient requires energy and results 2 points
in uneven concentrations of the ions. ATP powers the pump, allowing it to
create and maintain
of these ions. *
concentration gradients
equilibrium
diffusion
osmosis
Answer:I think osmsis
Explanation:
If two objects are moving at a constant speed with the same velocity, what will make the
velocity change?
Answer:
The velocity can change by changing the direction
Explanation:
If the direction changes, then the velocity changes even though the speed is constant. Hope this helps!
Plants release a different gas back into the air. What is the name of that gas?What is the name of the gas that plants absorb from the air and use to grow?
Due today, please help
The nitrogen bases will only bond with one specific nitrogen base such as A - T and G - C. This is known as:
Complimentary Base Pairing
What happens during stage mitosis cell cycle
Answer:
Mitosis is the process in which the nucleus of a eukaryotic cell divides. During this process, sister chromatids separate from each other and move to opposite poles of the cell. This happens in four phases, called prophase, metaphase, anaphase, and telophase.
Explanation:
Please answer correctly asap. Answer the following question in at least 3 sentences.
1. Explain how the positions of the Sun and Moon affect the ocean tides.
When the gravitational pull of the Sun and Moon are combined, you get more extreme high and low tides. This explains high and low tides that happen about every two weeks. Note: this figure is not to scale. The Sun is much bigger and farther away.
10 points
Each of the 4 major biomolecules are made of monomers. The mono in
the word monomer means one. Monomers are building blocks, when the
monomers are put together they build a biomolecule. Monomer means:
Four Building Blocks
Two Building Blocks
One Building Block
O
Three Building Blocks
Answer:
One building block
Explanation:
The prefix mono means one
I need help with this (last question I had had the picture all black)
Answer:
I only know A
I think it's the lap
what is the difference between climate and wheather
Answer:
Weather reflects short-term conditions of the atmosphere while climate is the average daily weather for an extended period of time at a certain location.
:P
Cnidarians do not have a nervous system like ours. a. How does it differ from ours?
Answer:
Cnidarians have nerve cells that are organized in a nerve net – a diffuse network where neurons interact wherever they cross one another.
Explanation:
GIVING BRAINLEIST HELP MEEE
Answer:
c
Explanation:
it just is
How are DNA mutations related to changes in proteins and traits?
Answer:
Mutations in the gene result in an alteration of the protein so that epithelial cells are defective in transporting these ions out of cells. Because less salt is secreted from the cells lining these airways and ducts, there is less water "drawn out" of the cells.
:-))
Answer:
By changing a gene's instructions for making a protein, a mutation can cause the protein to malfunction or to be missing entirely. When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition.
Explanation:
Red blood cells need iron. They store iron abs typically contain more iron than the fluid around them does. Which action would show the blood cells doing active transport?
Answer:
Bringing In Iron
Explanation:
Could someone help me please and thank you it’s timed
Answer:
electron transport chain
Explanation:
Im not 100% sure but this should be it.
hope this helps! :))
multiple choice
Daytime temperatures on Mercury are extremely hot because:
1. it is close to the sun
2. it has long days
3. one side is facing the sun
4. it gives off internal heat
5. there are volcanoes
Answer: it has long days
Explanation:
how does Pteromyzon differ from scolidon and labeo fishes?
who answer this question in 10 seconds I'll mark his or her ans. as "BRAINLIST ANSWER"
It's my promise but the answer must not be copied from internet
Answer:
Due to agnathous, no paired fins and scales.
Explanation:
Pteromyzon fish is different from scolidon and labeo fishes because Pteromyzon fish is not a true fish. The main reason for this is that Pteromyzon fish is agnathous means having no jaws and it doesn't have paired fins and scales on their body while all these features are present on the body of scolidon and labeo fishes so we can conclude from this discussion that Pteromyzon fish is different from scolidon and labeo fishes.
Substances containing mercury would be classified as
Answer:
Toxic waste
Explanation:
Toxic waste are chemical substances which are poisonous, can cause cancer, can cause birth defects and may lead death or severe ailment. Toxic waste can lead to poisoning occurs when ingested, inhaled, or absorbed by the skin.
Examples of toxic wastes are Lead-Acid Battery, Mercury (mercury pollution), Pesticides Pollution, Arsenic in Ground Water etc.
Mercury vapors can cause neurological and behavioral disorders like tremors, emotional instability, insomnia, memory loss and so on.
help its for science
Convert 226 Kelvin to °C (To convert degrees Celsius to Kelvin use the formula K = °C +273 - rearrange if needed, use whole numbers)
Answer:
-47
Explanation:
Someone please help!!LEVELS OF ORGANIZATION Identify each of the following as:
A.Ecosystem B.Habitat C.Community D.Population
1. The classroom
2.All the mice in the classroom
3.Only the mice, humans, earthworms, and fish in the room
4.The aquarium (wet soil with dead organisms) that the earthworms live in
Answer:
1 community
2population
3ecosystem
4habitat
Explanation:
the classroom is a community because its people of different cultures and race that come together and be one
all the mice in the classroom are considered a population because population is the number of people in a certain area
in the third statement there are all forms of organisms hence showing the biodiversity that ecosystems tend to have
the aquarium provides shelter to earthworms proving them with food of which a habitat provides both shelter and food
HELPPPPPPPP
Write two sentences that explain the benefits of butterflies being very colorful.
How does biology affect behavior?
Answer:
some behaviors may have a genetic basis, but genes do not actually control behavior. Rather, our genetic makeup influences how we interact with and respond to our surroundings.
Explanation:
There you go
Organs are comprised of tissues that work together to perform a specific bodily function. true or false?
Answer:
I do believe that is true.
Explanation:
Which best describes the importance of meiosis to living organisms? *
O genetic variation and growth
O growth and development
O development and sexual reproduction
O sexual reproduction and genetic variation
Through which of the following
would a sound wave travel the fastest?
a. Water vapor in the air
b. Water in the glass
c. Surrounding air
d. The glass
Answer:
D. The glass.
Explanation:
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it.
Hope this helps :D
Most seed plants today belong to the division
a. psilophyta
b. arthrophyta
c. pterophyta
d. anthophyta
Answer:
most seed plants today belong to anthophyta i think
Is a chicken egg biotic (living) or abiotic (non-living)? *
biotic (living)
abiotic (non-living)
Answer:
its biotic
Explanation:
Chicken egg is biotic.
What are biotic or abiotic components?
Biotic components are living organisms while abiotic components are nonliving organisms. All biotic components are living components of ecosystem. Bacteria and birds, animals are living components.
Abiotic components are non living components. sunlight, water and temperature are the non living components. Biotic factors are producers, herbivores and omnivores.
Abiotic components are physical and chemical components that act on the living components. In chicken cell the yolk which is living cells.
Biotic components also include the waste from living things and dead organisms. Earth have many biotic components. The surface of Mars has no biotic components.
Therefore, Chicken egg is biotic.
To learn more about biotic components, refer to the link:
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please help will give brainliest :)
Scientists believe that, over time, mutation and different environmental influences can cause multiple species to evolve from a single earlier species in a process called speciation.
The diagram below represents this process.
As seen in the diagram, what does mutation directly create?
A. extinction
B.darker colored offspring
C.identical offspring
D.genetic variation
A cactus with the genotype Kkww is crossed with a cactus with the genotype KKWw. Which of the following genotypes will be shared by 25% of the offspring?
A. KKWW
B. kkWw
C. KKww
D. KkWW
Answer: C
Explanation: Think of it this way, which ever has the most is what answer would be. So they come across 3 capitals with K its gonna be KK not kk.
Hope this helps
The genotype is defined as the genetic makeup of an organism, or the set of alleles. The cross between Kkww and KKWw will result in 25% of the progeny having genotype KKww.
The correct option is:
Option C. KKww
Find the attachment for the Punnett square, given below.
The cross between Kkww and KKWw will result in the gametes as:
Kkww - Kw, Kw, kw, kwKKWw - KW, Kw, Kw, kwThe progeny having genotype as KKww will be 4 or 25%.
Therefore, Option C is correct.
To know more about cross and Punnett square, refer to the following link:
https://brainly.com/question/14642557
PLEASE HELP!!! Thank you so much!!
Answer:
math
Explanation:
hhaha