The electrons of an atom
Select one:
a. have a positive charge.
b. are attracted to the positive charge of neutrons.
c. orbit the nucleus in various energy levels.
d. are found in the nucleus along with the protons.
Answer:
tbh im not goin say this easy answer to u bc thats 5th grade work fr
Explanation:
Answer:
b
Explanation:
i kinda think is that because of my class
Which statement illustrates bias in scientific research?
A zoologist publishes incomplete data on sloths which supports their original hypothesis and notes that more research is required.
A botanist publishes data about plant growth that does not support their original hypothesis and is replicable.
An ecologist publishes data funded by a construction company which supports their original hypothesis that an endangered animal's territory is not endangered.
A microbiologist publishes data funded by the National Institutes of Health that does not support their original hypothesis.
When the accused enters into plea bargaining, the judge and prosecutor do not have to hold a trial. True or False
Answer:
True
Explanation:
Answer:
False
Explanation:
Put true on edge got it wrong its false
Can someone help me asappp
Answer:
im 90% sure its D
Explanation:
well
Did you restate the hypothesis (or prediction) you formulated before the experiment?
Answer:
Restate your hypothesis and then state clearly and concisely whether or not your hypothesis has been supported by the experiment.
What best describes the role of molecular oxygen (O2) in aerobic respiration?
A. It accepts electrons when reacting to form water.
B. It combines with carbon and hydrogen to form glucose.
C. It is released when glucose breaks apart.
D. It reacts to form carbon dioxide and water.
Aerobic respiration involves the reaction of oxidation which involves the acceptance of electrons when the molecular oxygen reacts with protons to form water molecules. Thus, the correct option is A.
What is Aerobic respiration?
Aerobic respiration is the chemical process in which molecular oxygen is used to make the energy in the form of ATP from carbohydrates. It is also called as aerobic metabolism, and oxidative metabolism.
Aerobic organisms can use molecular oxygen (O₂) to generate energy in the form of adenine triphosphate (ATP). The role of molecular oxygen in the process of cellular respiration is to act as the end acceptor of electron. As the electrons are dropped off at the inner mitochondrial membrane during the process of cellular respiration, they travel through the electron transport chain and are finally accepted by the molecular oxygen to form water.
Therefore, the correct option is A.
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A student conducted a comparative investigation to test the hypothesis that different areas of New York City have different levels of air pollution. Which is a likely benefit of this comparative investigation?
A It provides her with a large amount of information about air pollution in New York City.
B It provides her with results that are valid for a long time.
C It requires that she observe a limited number of variables.
D It allows her to learn about the causes and effects of air pollution in major cities.
Answer: A. It provides her with a large amount of information about air pollution in New York City.
Explanation:
A comparative investigation is when data is collected in order to make a particular comparison.
With regards to the question, the student conducted a comparative investigation in order to test the hypothesis that different areas of New York City have different levels of air pollution.
The benefit of this study done by the students is that it will provide her with a large amount of information about air pollution in New York City. The area with the highest air pollution, what causes air pollution and other necessary information can be gotten.
Therefore, the option is A.
What happens when a space shuttle reenters the atmosphere?
Answer:
Although it causes drag, it also causes intense heat. Specifically, shuttles face intense temperatures of about 3000 degrees Fahrenheit (about 1649 degrees Celsius) [source: Hammond]. Blunt-body design helps alleviate the heat problem.
Explanation:
Although it causes drag, it also causes intense heat. Specifically, shuttles face intense temperatures of about 3000 degrees Fahrenheit (about 1649 degrees Celsius) [source: Hammond]. Blunt-body design helps alleviate the heat problem.
Answer:
Atmospheric entry is the movement of an object from outer space into and through the gases of ... For Earth, atmospheric entry occurs by convention at the Kármán line at an ... When atmospheric entry is part of a spacecraft landing or recovery, ... of a spacecraft that is travelling at hypersonic speed as it enters an atmosphere ...
Explanation:
Open Response 2 part A: Plant cells and fungal cells have many of the
same types of organelles. Structures X and Y are found in both plant cells
and fungal cells. Structure Z is found in plant cells, but not in fungal cells. A
- What is party?
X
Z
What are California's major mineral resources
Answer:
The term mineral resources includes minerals plus various types of rocks and sediment it also includes products made from these materials. California's major mineral resources include sand, gravel, crushed stone, building stone, gold, silver, iron, evaporite minerals, and clay.
Explanation:
What composes a photosystem?
The "special chlorophyll" molecules in the reaction center are what the photosystem will use to absorb all of the sun's energy.
What is a photosystem?A core complex and a periphery antenna system referred to as the light-harvesting complex I (LHCI) for PSI and the light-harvesting complex II (LHCII) for PSII, respectively, make up each photosystem.
Light-harvesting structures and reaction hubs make up photosystems. To two unique chlorophyll molecules in the reaction center, pigments in the light-harvesting complex transfer light energy.
Sunlight is captured in the chloroplast by pigment chlorophyll molecules arranged into photosystems.
Therefore, the light-harvesting complex, which consists of pigments, and the reaction center make up the photosystem.
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There are only three autosomal trisomic conditions (Patau, Edward, and Down Syndrome) where a fetus will survive to birth. Why do you think this is so?
Answer:
An autosomal trisomic condition is the deviation of the chromosome number where an extra copy of the chromosome present with the chromosome pair. The three trisomic conditions are Patau - extra copy at chromosome 13, Edward - extra copy of chromosome 18, and Down Syndrome - an extra copy of chromosome 21
Children or fetuses affected by these trisomies show the least life expectancy and develop as mentally week, other than these trisomies other trisomic conditions are highly lethal so we do not see the survivors and it is due to dosage sensitivity which means that increasing or decreasing their expression levels will reduce cell viability.
Check Concepts
41. Using the scientific definition, which state-
ment is always true of work?
A) It is difficult.
B) It involves levers.
C) It involves a transfer of energy.
D) It is done with a machine.
Answer: C. It involves a transfer of energy.
Using the scientific definition, the statement that is always true of work is it involves a transfer of energy. The correct option is C.
What scientific theories?Scientific theories are the theories that are given by scientific facts and information. These theories are based on observation of natural things and places.
There is the transfer of energy in the natural world. Every organism and plant is connected with each other in the form of a transfer of energy. This is called a food chain.
In the food chain, the organism is divided into different levels. These levels are based on their food. They are autotrophs, heterotrophs, and decomposers. Autotrophs have the largest amount of energy.
Thus, the correct option is C) It involves a transfer of energy.
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Graves’ Disease is an autoimmune disorder that causes an overproduction of the hormone produced in the thyroid. These hormones are responsible for cellular metabolism. What would this disorder probably result in?
Answer:
Explanation:
Graves' disease is an autoimmune disorder in which antibodies produced by your immune system stimulate your thyroid to produce too much T4. It's the most common cause of hyperthyroidism. Hyperfunctioning thyroid nodules (toxic adenoma, toxic multinodular goiter or Plummer's disease).
Which group makes up the largest level of an energy pyramid?
A. omnivores
B. carnivores
c. producers
D.consumers
Answer: A
Explanation:
Which of these chemicals is not a pollutant?
A. Nitrogen gas
B. Nitrate
C. Methane
D. Carbon dioxide
having a hard time
Answer:
Carbon dioxide
What happens when electrons inside an
atom get excited“?
A. They stay in their current energy
level
B. They jump down an energy level
and absorb energy in the process
C. They jump up an energy level and
release energy in the process
Answer:
C. they jump up an energy level and release energy in the process
Explanation:
when electrons are excited, the move up a shell to share or give electrons
What is the longest living animal?
The Asian elephant lives the longest...
Other animals live a very long time, too.
Tell me if you need the other animal names, and I will be happy to help.
God Bless
please help asappppp
what is the purpose of ATP
Answer:
Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.
Explanation:
Mark me BRAINLIEST please!
Which type of fossils is MOST helpfu
in understanding what the climate w
like for a region in the past?
A.fossils of plants
B. fossils of microorganisms
C. fossils of birds
D. fossils of animals
Answer:
I would say A). The animals in an area can fluctuate and diversify, while plants can't move and will die if conditions are too intense, leaving only the ones accustomed to the climate to survive.
The Krebs cycle, fermentation, electron transport, and the breakdown of starch are
processes of respiration. Which process could take place within an airtight bottle that
contained no oxygen?
A.aerobic respiration
B. Krebs cycle
C. fermentation
D. electron transport
Koalas live almost entirely on leaves from eucalyptus trees and they are native exclusively to Australia.
Destruction of the Koalas' habitat will most likely lead to -
F)) koalas producing more
offspring
G)) a decrease of the koala
population
H)) the koalas becoming larger.
J)) an increase of the koala
population.
Answer:
G
Explanation:
it will ruin the koala homes
Which of these characteristics is NOT a property of water? (SC.912.L.18.12) A. Increases density as it solidifies B. Functions as a universal solvent C. Exhibits a highly cohesive behavior D. Moderates changes in temperature
Answer:
Option A.
Increases density as it solidifies
Explanation:
Increases density as it solidifies is not the characteristics of water because when water solidifies or freeze it become less dense or lighter compare to liquid water. When water solidifies to ice, it molecules are packed together and it is arranged in six sided crystalline shape which make it to be less dense or lighter than the liquid water molecules which is denser or more heavier.
Identifying Passive and Active Transport
Fill in the blanks with the correct words.
The movement of molecules from an area of low concentration to an area of high concentration occurs in
transport
In
transport
, molecules move from an area of high concentration to an area of low concentration
Answer:
osmosis and diffusion respectively
Explanation:
osmosis is the first one and diffusion is the second one
Which structures are responsible for mechanical breakdown of food
please answer the question in the picture 40 points
Answer:
A & B.
Explanation:
enzymes are molecules that speed up the chemical reactions, but they don’t interfere in the free energy of a reaction.
DNA and RNA are both types of —
A. enzymes
B. polysaccharides
C. proteins
D. nucleic acids
What types of solid waste do you produce in your home ?what could be done to each type and what goes to the disposal site or dumpsite
Answer:
Types of solid watse we produce in your home is plastic cups, metal forks and spoons, and also glass plates. We could recycle these items, so they can become other new items when we are finished.
Solid waste are described as abandoned waste materials resulting from human and chemical activities. Solid wastes could include used plastic materials, rubber, metals, glass and other materials classed as useless.
In Homes, solid wastes usually include used plastic, shattered glass, metal objects and so on. Plastic wastes and metals could be recycled and refined to make rubber and aluminium spare parts, hence, serving as raw materials.Therefore, since solid materials take very long to Decay, hence recycling of the waste and their use in organic products are always good means of disposal.
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Which type of seed do you think the ground finches preferred? Why do you think this?
Answer: soft seeds
Explanation:
Tiny, soft seeds that are easy to crush are preferred by the medium ground finch to feed. During droughts, however, they often consume the larger seeds on the island when small seeds are not as available.