Answer:
Gas are well separated with no regular arrangement.
liquid are close together with no regular arrangement.
solid are tightly packed- the particles are close together.
Hope this helps:)
Answer:
Solid: Molecules are tightly together to hold the shape.
Liquid: Molecules float around to fill the space of the container that they are in.
Gas: Molecules have no definite shape and move freely.
Identify two features that a theory must have, to qualify as a scientific theory.
PLEASE HELP WITH MY BIOLOGY
I think A makes the most sense..
Model: Use the Punnett squares below to model each parent combination. After filling in each Punnett square, predict the percentages of black and white offspring.
Complete question, Answer, and Explanation:
Due to technical problems, you will find the complete question, answer, and explanation in the attached files
How do blood vessels change during vasodilation?
O A. They shrink to decrease body temperature.
B. They expand to decrease body temperature.
C. They expand to increase body temperature.
D. They shrink to increase body temperature.
Answer:
D. They shrink to increase body temperature
if wrong sorry ya based on my syllabus
which type of feature of Earth's crust does the diagram show (A) reverse fault (B) anticline (C) normal fault (D) syncline
its enviromental science
The figure illustrates the anticline of the earth's crust.
The correct option is B.
Anticline definition:A structural trap called an anticline is created when rock layers are folded into the shape of an arch. In an anticlinal trap, the rock layers were initially horizontally stacked until earth movement caused them to fold into such an arch-like structure known as an anticline.
What distinguishes an anticline?Rock formations called anticlines are folded structures with upward convex shapes. This means either anticline resemble a lowercase "n" or an uppercase "A" (remembering the shape of an anticline is as simple as saying "A is for Anticline"). They originate from horizontal and rather flat rock layers.
What is the crust of Earth?The outermost layer of a terrestrial planet is referred to as its "crust." The older, heavier continental crust and the denser, younger oceanic crust make up the majority of the Earth's crust. Plate tectonics provides information about the dynamic geology of the Earth's crust.
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Which best describe and organisms niche?
Answer:
A niche is a role a species plays in the ecosystem. In other words, a niche is how an organism “makes a living.” A niche will include the organism's role in the flow of energy through the ecosystem. An organism's niche also includes how the organism interacts with other organisms and its role in recycling nutrients.
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A cup is surrounded by air in room temperature
Describe the energy transfer between the water and air if the system is at equilibrium
A.Energy is transfers from air to the water
B. Energy transfers from water to the air
C. Energy transfers back and forth between air and water
D.None of the above
The energy transfer between the water and air if the system is at equilibrium does not carry any transfer of energy. So, the correct option is D.
What do you mean by Equilibrium state?Equilibrium may be defined as a condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.
When the system is at equilibrium, the energy transfer between water and air surrounding the cup does not take place. It will only take place when there is a difference between the concentration of two solutions or objects.
Therefore, the energy transfer between the water and air if the system is at equilibrium does not carry any transfer of energy.
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Answer:
Reduction of fossil fuels.
Explanation:
A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing organic molecules originating in ancient photosynthesis that release energy in combustion. Source: Wikipedia
Answer:
the answer would be a)
Explanation:
mitosis maintains living organisms by which of the following processes?
1. the removal of waste from the body
2. the exchange of gas with the environment
3.the healing of a cut after an injury
4. the formation of sperm and egg
Answer:
3
Explanation:
mitosis helps in the reproduction of identical copies of cells thus helping in the repairing of damaged tissues or replacing worn out cells
You have about blank
of blood in your body.
The evolution of arthropods has led to
Answer:
Arthropods make up almost 80% of all animals; they are jointed legged animals that belong to the Animalia kingdom that include centipedes, millipedes, insects, and spiders. The success of arthropods can mainly be attributed by the following characteristics;
Presence of Exoskeleton.
The presence of exoskeleton that hardens due to the presence of chitin offers a protective cover for arthropods with different environment against advance conditions and also it protects against dehydration.
Varied habitats.
Arthropods can be found in all types of habitats from the soil, water, and land. This feature is the key to their survival since they are widely distributed hence increasing chances of survival.
Bilateral Symmetry.
Arthropods exhibit bilateral symmetry whereby a different portion of their bodies are mirror images, this form is exhibited in higher animals such as humans and dogs, and it facilitates advanced body functioning.
Jointed Legs.
Arthropods exhibit segmented legs that are jointed to allow the development of hard exoskeleton for protection. The jointed legs are specialized for grasping, jumping and running.
Short generation time.
Arthropods exhibit short generation time, which allows for faster adaptation to the environment and survival.
Reproduction strategy.
Arthropods have exhibited a sexual form of reproduction that is more successful in the growth and survival of offspring.
Segmented body.
Arthropods have a segmented body that allows for specialization of body organs and tissues, and this has promoted their success by specializing body organs to different functions.
nucleic acid used in a 9th grade level sentence
don’t send links
Most exact matching problems arise when handeling nucleic acid sequences.
Certain tags can enter the nucleic acid database and identify the trapped gene.
The structure of nucleic acid junctions plays a central role in their biological function.
Which process best explains how antibiotic resistance in bacteria can occur?
Answer:
Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.
Please help....anyone
Answer:
please take photos clearly and send please take another photo
Which of the following processes causes the webbing to disappear?
Choose 1 answer:
А. Mitosis
B. Meiosis
C.Apoptosis
D.Fertilization
The answer is (A. mitosis)
The diagram shows a portion of the fossil record. Select ALL of the statements that are supported by the record. A) Life moved to land in layer 6. B) Layer 5. is older than layer 2. C) Fish were the first life forms. D) The oldest life existed in water. E) Shelled organisms existed before fish.
Answer:
D,E
Explanation:
In humans, hair color and hair type are controlled by simple dominance. Brown hair (B) is dominant over blonde hair (b). Straight hair (H) is dominant over curly hair (h). A man who is heterozygous for brown hair and also has curly hair is crossed with a blonde-haired woman who is heterozygous for straight hair.
Answer:
These are the possible phenotypes of the offspring
The decay of atoms is a source of internal energy for the Earth because
A. light
В.force
C. heat
D. sound
The _________ was the main opposition group to apartheid in South Africa. Founded in 1912, the group was later banned by the South African government. Group of answer choices Katanga National Congress Mau Mau National Congress African National Congress
Answer:
African National Congress.
Explanation:
The practice or system of Apartheid was one way the government of South Africa implemented to 'manage' the majority of black people. Though the whites are in minority, they wanted to stay superior. So, the practice of Apartheid gave them the 'scope' for authority, segregating the blacks from them.
The African National Congress, formerly known as the South African Native National Congress, was founded in 1912 by John Langalibalele Dube. The party's aim was to unite all the African people and bring them together as a united nation, irrespective of tribe or background. It later became the main party to oppose the Apartheid policy of the government. After a violent outcome of a peaceful protest, the South African government banned the party in April 1960. This ban was lifted in February 1990.
How is an ecosystem’s biodiversity a measure of its health?
What is weathering and runoff?
Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the earth,water, ice, acids, salts, plants and animals.
Runoff means the portion of precipitation on land that ultimately reaches streams often with dissolved or suspended material.
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describe what is happening to the population of bacteria
Answer:
Bacterial populations employ native defenses against antibiotics that are analogous to the activity of protonophores. These mechanisms disrupt membrane electrochemical gradients that enable bacterial populations to establish subpopulations of drug-tolerant persisters
Explanation:
When we cultured in bacteria by adding growth promoting factors for rapid growth, what happened in this time. At that time bacteria growth/size are increase or both .
What do all arthropods have?
6 legs
jointed kegs
8 legs
stiff legs
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Match each of the five levels of organization to their proper definition.
a group of tissues that work together to perform specific activities for an organism
a group of cells that are similar in structure and function
a living thing that carries out the processes of life
the basic unit of life for all organisms
a group of organs that work together to perform specific activities for an organism
1. Organ
2. Tissue
3. Organism
4. Cell
5. Organ System
The human body temperature is normally 98.6°F. As a person exercises, the body temperature starts to increase. As a result of the increased body temperature, the perspiration process
begins to cool the body. Which best describes what the body is doing when it perspires?
A. increasing osmosis
B. reducing transpiration
C. controlling metabolism
D. maintaining homeostasis
Answer:
.A. increasing osmosis
What greenhouse gasses come from burning coal
Answer:
C02
Explanation:
When coal is burnt or other fossil fuels, C02 is emitted.
Answer:
Coal combustion releases Carbon dioxide and nitrous oxide
DNA is in what form during interphase?
Answer:
During interphase (1), chromatin is in its least condensed state and appears loosely distributed throughout the nucleus. Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).
DNA is in form during interphase During interphase, the cell DNA isn't condensed and is loosely distributed.
What happens during interphase?A stain for heterochromatin (which shows the placement of chromosomes) indicates this large distribution of chromatin. The equal stain additionally indicates the organized, aligned shape of the chromosomes in the course of mitosis.
Nuclear DNA remains in a semi-condensed chromatin structure throughout the interphase. During the S phase, DNA replication results in the creation of identical pairs of DNA molecules, known as sister chromatids, which are tightly linked to the centromeric region.
During the S phase, the centrosome is duplicated.
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What is the primary consumer?
my teacher said the answer is grasshopper but why not the mouse?
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The formation of a new community on land that has never had organisms grow on it before is known as
Secondary succession
Rebuilding
Biomagnification
Primary succession
Answer: Primary succession
Explanation:
The formation of a new community on land that has never had organisms grow on it before is referred to as the primary succession.
Primary succession takes place when there is no ecosystem that has existed before. It should be noted that the primary ecosystem is a slow process due to the fact that it starts on bare rock. This then provides a habitat which can be colonized. An example of primary succession is when there is eruption of volcanoes.