In 2002, Colorado was suffering from extreme drought. Which technology will help Colorado reduce the effects of future droughts?

Answer:

Video Equipment Technician

Explanation:

This is the correct response because shooting films would need good lighting and camera people use video equipment to do so.

The answer is D they are heterotrophs

Answer:

D) they are heterotrophs

Explanation:

All animals are heterotrophs. This means that they get the nutrients (nitrogen, carbon, etc.) and the energy they need to live through plants or other animals, since they do not have a system for the production of their food. All animals need carbon for the proper functioning of their basic processes, such as growth, development and reproduction.

Cell structure refers to the components and organization of cells, with a distinction between prokaryotic and eukaryotic cells. It includes the study of cytoplasm, cytoskeleton, nucleus, ribosomes, and mitochondria, as well as plant cell-specific structures.

The term cell structure refers to the various components that make up a cell, including its inner workings and the arrangements of its parts. Cells are the fundamental units of life, categorized broadly into prokaryotic and eukaryotic cells, with eukaryotic cells being more complex and including plant and animal cells. The study of cell structure encompasses the understanding of various cellular components, such as the cytoplasm, cytoskeleton, nucleus, ribosomes, and mitochondria, as well as the endomembrane system, which includes the endoplasmic reticulum, Golgi apparatus, and various vesicles that transport proteins and other molecules.

Additionally, specific structures within plant cells, such as chloroplasts, cell walls, and large water-filled vacuoles, distinguish them from animal cells. Studying these components helps in understanding the cell's ability to function, communicate with other cells, and maintain homeostasis. Both the structure and the function of cells are fundamental topics in high school biology.

Answer:

the answer is D. weathering

Explanation:

because i just did it on study island

Answer:

displacement of air  

Explanation:

Sound waves are mechanical waves that vibrate at a frequency of 20 to 20,000 hertz (Hz), and are normally perceptible by the human ear. Sound is the sensation we feel, through hearing through the action of this type of wave. Another important characteristic, the sound wave needs a medium to propagate, be it gas, liquid or solid. Therefore, there is no sound in a vacuum. The greater the air displacement produced by the sound wave, the louder the sound produced by it. For this reason, we can conclude that sound waves with a great distance between A and B would be sound waves with a large displacement of air and producing loud sounds.

The conclusion that all plants are made of cells is credited to the botanist Matthias Schleiden in the 19th century.

Matthias Schleiden, a German botanist, played a significant role in establishing this concept. In 1838, Schleiden proposed that every part of a plant is composed of cells or the products of cells.

He carefully examined plant tissues under microscopes and observed similarities between plant cells and the cells described by Theodor Schwann in animal tissues.

key figure in this discovery was Theodor Schwann, a German physiologist and zoologist. In 1839, Schwann, building upon Schleiden's observations, extended the cell theory to animal tissues.

He asserted that cells are the fundamental units of structure and function in all living organisms, emphasizing that plants and animals are fundamentally similar in their cellular composition.

Rudolf Virchow, another German physician, pathologist, and biologist, further refined the cell theory in 1855. He stated that cells only arise from pre-existing cells, challenging the notion of spontaneous generation. Virchow's concept, "omnis cellula e cellula" or "every cell originates from another existing cell," solidified the cell theory as a fundamental principle in biology.

The collective contributions of Schleiden, Schwann, Virchow, and others led to the establishment of the cell theory, one of the fundamental principles of modern biology.

Their findings revolutionized our understanding of the structural and functional units of life and laid the foundation for advancements in cell biology, genetics, and various other scientific disciplines.

For such a more question on Matthias Schleiden

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Answer:

I believe the answer is mixed. sorry if I'm wrong!

Answer:

A. To make sure data is accurate

Explanation:

Answer from Study Island

Answer:

Two haploid cells are formed.

The structure of mitochondria consists of a double membrane system, an outer and a highly folded inner one. This structure provides an extensive surface area for cellular respiration, which allows the mitochondria to generate energy by breaking down sugars.

The structure of mitochondria can be broadly summarized by options A and C. Mitochondria are unique, membrane-bound organelles present within cells. They have a double membrane structure; an outer membrane and a highly folded inner membrane, known as the cristae, which provide a large surface area for cellular respiration, facilitating energy production. This configuration helps mitochondria to execute their primary function, which is the production of ATP (adenosine triphosphate) by breaking down sugars during the process of cellular respiration (option C).

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Answer:

Does releasing a cloud of ink make the octopus more likely to escape a predator?

Explanation:

Study island

Answer:

Southern Hemisphere

Explanation:

Answer:

The correct answer is option B, Scientific knowledge can change when new evidence or interpretations arise.

Explanation:

The logical explanation to any scientific theory/law keeps on changing. This is so because the first logical explanation to any scientific theory was the best possible explanation to it available at that time with the limited resources and was accepted by the majority of peers. But with the advancement in technology some new theories may come forward.  for example – Earlier it was found that atom in the smallest unit of matter , but with the advancement in high scale microscope it was found that even atom is made of smaller particles like electron, proton etc. Thus the scientific theories/laws  get affected by new researches.

Explanation:

When a body is moving in a circular path then a force acts on it and this force is directed towards the center around the moving object.  

Mathematically, F = [tex]m\frac{v^{2}}{r}[/tex]

where F = force

m = mass

v = velocity

r = radius

The term [tex]\frac{v^{2}}{r}[/tex] is the centripetal acceleration.  

Also, expression for centripetal force can be [tex]F_{c} = ma_{c}[/tex], where [tex]a_{c}[/tex] represents acceleration of centripetal force.

Whereas both the expressions F = [tex]m\frac{v^{2}}{t}[/tex] and F = [tex]m\frac{v}{r}[/tex] are not a correct equation for centripetal force.

The right answer is a. structures smaller than cells.

In the transmission electron microscope, electrons are emitted by heating a tungsten filament (or crystal of lanthanum hexaboride). These electrons are then accelerated with a voltage of between 200 and 1000 kV (1000 kV for the most expensive). Once the vacuum is in the cell, the electron beam is passed through a sample about 3 mm in diameter and less than 20 nanometers thick. Then this beam is focused with the help of magnetic lenses towards the screen or the photographic plate.

The operation of M.E.T is analogous to that of an optical microscope.

In light microscopy, a beam of photons is sent through a sample. This beam is then focused through optical lenses to the image plane of the lens. An enlarged image of the sample is observed.

Lung transplants are performed when there are no other medical options; it is a last resort.

The recipient’s body may reject the new lung.

The transplanted lung may also become infected.

Single-celled organisms like amoebas efficiently utilize diffusion for the exchange of nutrients and waste due to their small size, which supports an adequate surface area to volume ratio. For multicellular organisms, consisting of many small cells aids in maintaining homeostasis by ensuring efficient substance exchange.

Cells that effectively use diffusion to move materials in and out include single-celled organisms like the amoeba. Due to the limiting effects of diffusion on size and development, these cells must remain small. Diffusion is an efficient process for the exchange of nutrients and waste in these cells, primarily because their small size allows for adequate distribution throughout the entire cell. As cells grow larger, the center of the cell might not receive enough nutrients or dispose of waste effectively due to the increased distance substances must travel.

Being small helps cells survive as it increases the surface area to volume ratio, which is favorable for diffusion to occur efficiently. For larger, multicellular organisms, being made of many small cells rather than fewer large cells aids in maintaining homeostasis because it ensures that all cells are close enough to the organism's external environment or to internal transport systems like blood vessels, which helps in efficient diffusion and transport of substances.