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Related Questions
In Sparta, from life to death, it was considered a "cruel life why?
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According to the author, what is the main reason for the decrease in trillium in the forest?
What evidence does she give to support her claim?
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Answer:
The main reason for the decrease in trillium is the large number of deer in the forest that are eating the trillium. The author cites a research study performed by scientists as evidence to support her claim. In this study, researchers planted two fields, each containing garlic mustard, and trillium.
The main reason for the decrease in trillium is the large number of deer in the forest that are eating the trillium.
What is trillium?Trillium is a type of flowering plant that grows best in a partly-shaded, deciduous woodland habitat and along wet areas in the forest.
Deer is a herbivorous animals that feeds on the buds, blooms, berries, leaves, and even the stems of trillium.
Therefore, the main reason for the decrease in trillium is the large number of deer in the forest that are eating the trillium.
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light from an ___ source forms a shadow with lighter and darker parts.
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The following table shows the currently accepted half-life values for four parent isotopes.
Parent Isotope Currently Accepted Half-Life Values
Uranium-238 4.5 billion years
Uranium-235 704 million years
Thorium-232 14.0 billion years
Rubidium-87 48.8 billion years
Potassium-40 1.25 billion years
Samarium-147 106 billion years
Earth is approximately 4.5 billion years old. Given this information and the data in the table, which of the following isotopes could today contain less than 50 percent of its parent isotope?
Rubidium-87
Thorium-232
Uranium-235
Uranium-238
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Answer:
The amount of substance present in a certain sample can be calculated through the equation,
A(t) = A(o)(0.5)^(t/h)
where At is the amount now, Ao is the original amount, t is the number of years and h is the half-life.
For a substance to at most 50% of the original amount, we get the half-life value.
At/Ao = 0.5 = 0.5^(4.5/h)
h = 4.5 billion.
ok the answers are simple:
Parent Isotope Currently Accepted Half-Life Values: is the first one uranium-238 4.5 billion years
Earth is approximately 4.5 billion years old. Given this information and the data in the table, which of the following isotopes could today contain less than 50 percent of its parent isotope: uranium- 238
will give brainliest Look at the branching tree diagram below. Which group of organisms evolved after dogs? Only cats Only marsupials Both cats and marsupials Both amphibians and reptiles
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Answer:
the answer is only cats
Explanation:
Only cats
Explanation:
As you can see in the picture the dog and cat are both facing to the left so the cat is behind the dog and the marsupials are in front of the dogs which means the dogs evolved after marsupials and the cats evolved after dogs.
Sorry if that isn’t right or it doesn’t make any sense.
Which geological feature plays a role in determining the boundary of watersheds?
a)River systems
b) Ridge lines
c) Tributaries
d) Flood plains
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B) Ridge Lines
i need help asap pls and thank you.
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Answer:
i think it would be A (aka the first answer)
Explanation:
im sorry if im wrong
Write the formula for cellular respiration and photosynthesis. Compare and contrast both.
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and
Celluar respiration is C6H12O6+6O26CO2+6H2O
Photosynthesis takes in carbon dioxide and water while cellular respiration produces carbon dioxide and water. Also photosynthesis produces glucose and oxygen while cellular respiration uses them
Evaporation happens in the Dead Sea and other bodies of salt water (like the oceans) as part of the water cycle. What fuels evaporation in bodies of salt water?
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Answer:
Heat (energy) is necessary for evaporation to occur. Energy is used to break the bonds that hold water molecules together, which is why water easily evaporates at the boiling point (212° F, 100° C) but evaporates much more slowly at the freezing point. Net evaporation occurs when the rate of evaporation exceeds the rate of condensation. A state of saturation exists when these two process rates are equal, at which point the relative humidity of the air is 100 percent. Condensation, the opposite of evaporation, occurs when saturated air is cooled below the dew point (the temperature to which air must be cooled at constant pressure for it to become fully saturated with water), such as on the outside of a glass of ice water. In fact, the process of evaporation removes heat from the environment, which is why water evaporating from your skin cools you.
Explanation:
Solar energy fuels evaporation in bodies of salt water. Evaporation happens in the Dead Sea and other bodies of salt water (like the oceans) as part of the water cycle.
What is evaporation?Evaporation in bodies of salt water is fueled by solar energy from the sun. The sun's heat causes the water molecules in the surface of the salt water to gain energy and become more active. As the water molecules become more active, they gain enough energy to break free from the liquid and become water vapor, which rises into the atmosphere. This process is known as evaporation.
In bodies of salt water, the process of evaporation leaves behind salt and other minerals, which increases the salinity of the water. The high salinity of the Dead Sea and other saltwater bodies can also affect the evaporation rate, as the presence of salt can make it more difficult for water molecules to escape from the surface.
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just answer the questions correctly and i will give brainliest
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Answer:
This process, called satiation, increases the chance that cicadas will escape being eaten for long enough to survive and reproduce. ... It comes from a phenomenon known as the Allee Effect: the smaller a population gets, the less likely its members are to find one another and reproduce.
alphrinaelric4264 avatar
The seven periodical cicada species are so named because, in any one location, all of the members of the population are developmentally synchronized—they emerge as adults all at once in the same year. This periodicity is especially remarkable because their lifecycles are so long—13 or 17 years.
Explanation:
Credit to the girl in the comments just wanted to go ahead and add it into the answer slot
This process, called satiation, increases the prospect that cicadas will escape being eaten for long enough to survive and reproduce.
It comes from a phenomenon referred to as the Allee Effect: The smaller a population gets, the less likely its members are to seek out each other and reproduce.The seven seventeen-year locust species are so named because, in anybody's location, all of the members of the population are developmentally synchronized—they emerge as adults all directly in the same year.
This periodicity is particularly remarkable because their lifecycles are so long—13 or 17 years. Credit to the girl in the comments wanted to go ahead and add it into the answer slot.
Thus, the satiation increases the chance that cicadas will escape.
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Both osmosis and diffusion require energy and are considered active transport.
A) True
B) False
By controlling the substance that entered and leave the cell the cell membrane helps maintain homeostasis in the cell.
A) True
B) False
Water can flow freely into a gummy bear. What is the term for movement across a cell membrane that does not require energy?
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Second 1 true .
Hey! Who wants some riddles??? OCEAN ANIMALS WORD SCRAMBLES
BRAINLIEST ON THE LINE! Just for fun
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Answer:
what gas a neck but no head?
Explanation:
a bottle
Answer:
Can I have brainliest?
Explanation:
I'LL GIVE BRAINLIEST IF YOU EXPLAIN THE ANSWER AND IF IT IS RIGHT:
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d - it relies on individual specialized cells to take in nutrients.
explanation -
unicellular cells eat other cells to get nutrients
How long does ur nose hurt when u hit ur nose hardly on a glass wall?
This is on my worksheet...
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Answer:
Depending on how you hit your nose on the glass wall it could be hurt for a while. This person probably broke his nose.
Explanation:
Hope this helps.
Have a great day!
Write a paragraph summarizing the relationships that different organisms can have in an ecosystem and how they interact. Make sure to have at least 3 types of relationships, including examples from nature that show how these organisms interact.
Plz Help!! I need this done by 9 P.M. and it's 8:30 P.M.
Thx if you help Btw
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Answer: So do you still need help?
Explanation:
genetics plz help me with this plzzz
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Answer:
1. 100% O
2. 25% A, 25% B, 50% AB
3. 18.75% A, 18.75% B, 56.25% AB, 6.25% O
4. 50% A, 50% B
Explanation:
Im not too sure about 3, but the others should be correct.
All the stars you can see at night are still in existence.
True
False
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Answer:
FALSE
Explanation:
How do you know you exist?
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Answer:
through ur senses lol good question
Explanation:
Answer:
Umm if people see you and talk to you thats how you know your living in earth hope this helps?
Explanation:
What process is being shown by water being given off from each bond site? Give both names for this process
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Answer:
Bond Formation
Explanation:
When a bond is formed, energy is commonly released as well as sometimes byproducts being formed. Many of the most common kinds of bonds are formed using water molecules or giving off water molecules.
.Planets in Earth's Solar System are grouped according to their distance from the Sun. Which choice correctly identifies an inner planet and an outer planet and their correct characteristics
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Answer: Inner planets are planets by the sun. Outer planets are planets outside the sun.
Explanation: Mercury, Venus, Earth, and, Mars are all inner planets; that's why they're hot. Jupiter, Saturn, Uranus, and Neptune are all outer planets; that's why're cold.
GEORGE WASHINGTON CARVER
Answer the following questions in paragraph form (MINIMUM 1 paragraph [5 complete sentences] per prompt), at the end of each paragraph, include a link to the source of your information.
Describe his life: Where was he born, where did he live, where did he die. How old he was when he died. What his family was like.
Describe his major scientific discoveries. What did he discover, what was his scientific career like (where did he get his education), where did he work.
Describe his contributions to the scientific community.
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use this branching diagram to answer the questions. IF U DONT KNOW THE ANSWER THEN DONT PUT AN ANSWER.
Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. From the text box, select a shared derived characteristic that frogs and pigeons have. Explain why you think frogs and pigeons share this characteristic.
1.
2.
3.
4.
5.
HOW ARE FROGS AND PIGEONS RELATED?:
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Answer:
Explanation:
The common characters shared by frogs and pigeons are:
presence of jaws
four limbs
The frogs and pigeons share these characteristics because they both are derived or evolved from a common ancestor.
During the course of evolution, the jaws are evolved in beaks in birds or pigeon as beak is light-weight in comparison to jaws.
Similarly, the forelimbs get covered with feathers to become wings.
The common characters shared by frogs and pigeons are:
presence of jawsfour limbsThe frogs and pigeons share these characteristics because they both are derived or evolved from a common ancestor. During the course of evolution, the jaws are evolved in beaks in birds or pigeon as beak is light-weight in comparison to jaws.
What is the similarity between bat and pigeon?Similarity between bat and pigeon is that both from to same domain i.e Animalia.
Both are winged animals with stream lined body that allows them to fly.
Similarly, the forelimbs get covered with feathers to become wings.
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How it’s possible to compress a given amount of air into a smaller space?
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Answer:
The answer will be
Compressed air is made of the same air you breathe in and out, but that air is compressed into a smaller size and kept under pressure. When you take atmospheric air and then physically force it into a smaller volume, the molecules take up less space and the air is compressed.
Hope this helped
Hope this helped ALL THE BEST !!
The zero position along its equator points toward the center of our galaxy in the
celestial spheres
ecliptic planes
equatorial coordinate system
galactic coordinate system
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Answer: galactic coordinate system
Explanation:
the last one (galactic coordinate system)
The model below represents a nuclear reaction Atom 1 and Atom 2 are present before the reaction, and Atom 3 is produced after the reaction.
Atom 1 Atom 2Atom 3 + energy
The model most likely represents
O a fission reaction in a nuclear power plant
O a fusion reaction in the sun
O a nuclear reaction which takes place at low pressure
O a nuclear reaction which takes place at low temperature
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The model most likely represents B)a fusion reaction in the sun.
What reactions occur in the Sun?In the solar, the nuclear response which takes place is known as the proton-proton cycle, wherein four hydrogen atoms are combined in a series of reactions to form one Helium atom; this chain of reactions also produces strength (inside the form of gamma rays) and some different debris known as neutrinos.
Fusion joins atomic nuclei together. The detail fashioned has extra neutrons or protons than the beginning material. for instance, hydrogen and hydrogen can fuse to form helium.
The model represents a fusion reaction in the sun.
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Mia enjoys studying fossils. She learned how fossils called index fossils are found in the rock layers. The index fossils help scientists study rock ages. In what way do index fossils help determine rock ages?
A. Index fossils are widely distributed but were not around long, and so they show up in only a few rock layers.
B. Index fossils are widely distributed and were around for a long time, and so they show up in many rock layers.
C. Index fossils were around only a short time but they show up in many rock layers.
D. Index fossils are widely distributed and are always found in every sedimentary rock layer.
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Answer:
b
Explanation:
True or false: The climate in landlocked areas is usually more moderate than in coastal areas
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Answer:
this is false.
Water is said to have a higher heat capacity than soil and stones, so the ocean takes much longer to heat and to cool than the land. ... Coastal areas have more moderate temperatures than landlocked areas because of the heat capacity of the ocean and hence the answer is false.
Answer:
False
because coastal areas have more moderate temperature.
Explanation:
I hope it's helpful!
9. What is the best source of vitamin C in a balanced diet?
A fish
B fruit
C meat
D rice
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Answer:
Fruit
Explanation:
8 Across
(Blank) meaning "Sheep rocks"
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Someone please help me!
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the frog population would decrease and then the snake population would increase.