please help me I don't really understand

Answer:

The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.

Explanation:

B.

Answer:

The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.

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Explanation:

Answer:

I think global warming refers to the exceptionally rapid rise in the Earth's average surface temperature during the last century, owing mostly to greenhouse gases created by mankind burning fossil fuels. Global warming refers to the exceptionally rapid rise in the Earth's average surface temperature over the last century, which is mostly attributable to greenhouse gases created by mankind burning fossil fuels.

Explanation:

Answer:

A sphygmometer

Explanation:

A sphygmometer balances air pressure against the pressure of the blood in the artery.

Answer:

[tex]{\boxed{\boxed{\tt { Sphygmomanometer}}}} \ [/tex]

=> Sphygmomanometer is used to measure blood pressure.

Answer:

Grain or cereal crops include ......wheat..... and.....rice......

Explanation:

hope it is helpful to you

Answer:

B. They evolved from fish

Explanation:

most land dinos couldn't de-evolve into fish so They didn't migrate gradually from land and all Aquatic dinosaurs became extinct

Answer:

Plants use CO2 to photosynthesise

According to the given statement wind is probably most responsible for the formation of this landform.

The four main categories of landforms are plains, plateaus, hills, and mountains. Landforms include things like rivers, lakes, buttes, canyons, basins, and valleys.

An earthly feature that is a part of the terrain is referred to as a landform. There are four main categories of landforms: mountains, hills, plateaus, and plains. Valleys, buttes, canyons, and basins are examples of minor landforms.

Mountains and hills can be pushed up by the Earth's tectonic plate movement. Valleys and canyons can be formed by erosion brought on by water and wind. The duration of these procedures can reach millions of years.

Underwater mountain ranges and seabed basins are examples of landforms that can exist. In the South Pacific lies the Mariana Trench, the world's deepest landform.

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Hey did you ever find out the answer because I'm really stuck.

Answer:

Yes, it is possible for a person to have both DID and BPD at the same time. According to the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), a person can be diagnosed with both disorders if they meet the criteria for both.

Explanation:

Answer:

They are all formed by erosion. Erosion can move sediment through water, ice, or wind. They are all eroded away. A.) Erosion

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The corpus luteum secretes the following hormones is Progesterone. Thus, option "A" is correct.

The Corpus Luteum is a temporary endocrine structure located in the ovaries.

Its function is to produce high levels of progesterone, which function is to be a metabolic intermediate in the production of steroids, including se× hormones.

Thus, option "A" is correct.

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6.The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is visually represented in a spectrogram.

The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is represented visually in a spectrogram. One can observe how energy levels change over time in addition to determining whether there is more or less energy, for instance, at 2 Hz vs. 10 Hz.

The vertical axis or y-axis of the spectrogram view shows frequency in Hertz, the horizontal axis or x-axis denotes time (exactly like in the waveform display), and brightness denotes amplitude. The sine wave is represented by the bright orange curve while the background is black, which represents silence.

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Answer:

Tissue

Explanation:

Tissues are made of the same cells that all have the same function.

Which of the following is not a step in the mass production of an organic substrate in a fermentor?

I think E. To remove waste products and dispose responsibly.

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Answer:

A) mutant flies are identified by morphology and then the mutant genes are isolated and studied.

Explanation:

The visualization of mutant flies is done with an experiment, where drosophila flies, also known as fruit flies, are captured and placed in closed bottles. The bottles have a mixture of banana and agar so that the flies can feed for a period of 15 days. During these 15 days, the flies made several crosses and over time, it will be possible to identify the appearance of mutant flies as a result of the number of crosses made inside the bottle. The mutant flies will be identified when the researcher is able to observe flies with legs, eyes and wings in different numbers than what is presented in a normal fly.

After being identified by their different morphology, the mutant flies will have their mutant genes isolated and studied.

'The victim has European ancestry, and the body was burned after death four days ago'.

What do you mean by victim?

Victim is a term used to describe an individual who has suffered harm, injury, or loss due to the actions of another person or entity. Victims can suffer physical, emotional, psychological, and financial harm. Victims may also suffer from secondary victimization, which is when they experience further harm due to the reactions of others to their victimization.

The 3rd instar of a blowfly indicates that the body had been dead for four days. The hair suggests that the victim likely had European ancestry, as crescent shaped black hair is common in people of European descent. The presence of black soot in the lungs indicates that the body was burned after death.

Hence, option D is correct.

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Answer:

is this helpful .. comment me ..plz

Explanation:

In the ocean basins, ocean island basalts form seamounts, and in some cases, enough material is erupted that the rock protrudes from the ocean and forms an island, like at Hawaii, Samoa, and Iceland.

Answer:

d not 100% sure

Explanation:

Answer:

Explanation:

Chloroplasts are specialized organelles found only in plants and some types of algae. These organelles carry out the process of photosynthesis, which turns water, carbon dioxide, and light energy into nutrients from which the plant can obtain energy. There can be over one hundred chloroplasts in certain plant cells.

Chloroplasts are disk-shaped organelles that are surrounded by a double membrane. The outer membrane forms the external surface of the chloroplast and is relatively permeable to small molecules, allowing substances entry into the organelle. The inner membrane lies just beneath the outer membrane and is less permeable to external substances.

Between the outer and inner membrane is a thin intermembrane space that is about 10-20 nanometers wide. The center of the chloroplast that is enclosed by the double membrane is a fluid matrix called the stroma (you can think of this like the cytoplasm of the chloroplast).

Within the stroma, there are many structures called thylakoids, which look like flattened disks. Thylakoids are stacked on top of one another in vascular plants in stacks called grand. Thylakoids have a high concentration of chlorophyll and carotenoids, which are pigments that capture light energy from the sun. The molecule chlorophyll is also what gives plants their green color.

The movement of these tectonic plates is most likely caused by convection currents in the molten rock beneath the crust of the Earth. The immediate consequences of this tectonic shift are earthquakes and volcanic eruptions.

Mountains will grow where plates converge or push together, and continents will split and oceans will form when plates pull apart or diverge. The Earth's geography has changed significantly over the span of millions of years as a result of the continents passively drifting with the plates.

The plates fit tightly against one another and lie on the heated, molten rock of the Earth's mantle like fragments of a split shell.

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Answer:

sun and then river fresh water changes salt concentration in the ocean which contributes to currents

Explanation:

sun evaporates some ocean water

this increases water salt concentration

then when

river fresh water comes in the ocean

salt concentration in water changes

this contributes to ocean currents

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Answer:

cell B

Explanation:

it has more mitochondria therefore more metabolism

Answer:

Lemnoideae

Explanation:

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Answer:

Lemnoideae

Explanation:

scientific are weird aren't  they?

Answer:

The word tetravalent means having a valence of four because of the prefix - tetra. Carbon is considered tetravalent because it has four electrons in its outermost orbital. In order to follow the octet rule, it has to share four other electrons with other atoms. Thus, the answer is the first choice.

Pretty sure this is right! Hope it helps

Answer:

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True. The speed at which sound travels through a medium is determined by the properties of that medium.

What do you mean by sound?

Sound is a type of energy made by vibrations that travel through the air or another medium, like water. It is sensed by our ears and interpreted by our brains. Sound is made up of waves that have different frequencies, which determine the pitch and loudness of a sound.

Factors such as temperature, pressure, composition, and density can all affect the speed of sound in the medium. For example, sound travels faster through warmer air than through colder air, and faster through denser materials than through less dense materials.

Hence, the statement is True.

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Complete question:

The state of a medium helps determine the speed of sound passing through medium.

State True or False.