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Answer:

The purpose of any leavener is to produce the gas that makes bread rise. Yeast does this by feeding on the sugars in flour, and expelling carbon dioxide in the process.

While there are about 160 known species of yeast, Saccharomyces cerevisiae, commonly known as baker's yeast, is the one most often used in the kitchen. Yeast is tiny: Just one gram holds about 25 billion cells. That amount of fungi can churn out a significant amount of carbon dioxide, provided it has the simple sugars it uses as food. Fortunately, yeast can use its own enzymes to break down more complex sugars—like the granulated sugar in the activity below—into a form that it can consume.

Make a yeast-air balloon to get a better idea of what yeast can do

Yeast is a unicellular fungus which undergoes anaerobic respiration to produce ethanol and carbon dioxide gas.

This is how yeast fermentation plays a vital role in the baking process.

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Answer:

Biofuels like fuel from microalgae are very costly as compared to fossil fuels.

Explanation:

The cost of biofuels is too high as compared to that of fossil fuel. For instance,

the cost of 1 gallon of algal fuel is $32.81 per gallon while cost of diesel is $2.9 -3.2 per gallon.

However, biofuels are very environment friendly as compared to that of fossil fuels.

Answer:

The process of peristalsis is controlled by the medulla oblongata. Esophageal peristalsis is typically assessed by performing an esophageal motility study.

Explanation:

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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Answer:

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Answer:

yes it's correct

Explanation:

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Answer:

DNA replication is the process by which DNA makes a copy of itself during cell division.

Acceleration -->  meters/second/second (m/s^2)

Acceleration measures how fast something is speeding up. Speed measures how far something goes in a certain amount of time; acceleration measure how fast that speed is increasing (does that make sense? ask question if you need more clarification).

Velocity --> meters/second (m/s) south

Velocity is speed with a direction. Above I explained what speed is.

Force --> Newtons (N)

That's just what force is measured in.

Distance --> meters (m)

Meters is a unit of distance, or how far it is. It's not moving so there is no time component.

Mass --> kilograms (kg)

Kilograms is a unit of mass. Generally anything with grams is going to be a unit of mass.

Hope this helps.

Answer:

D. Decreased biodiversity and decreased sustainability

Explanation:

The correct answer is  Decreased biodiversity and decreased sustainability.

Weak sustainability is a concept inside environmental economics that states that 'human capital' can substitute 'herbal capital'. It is primarily based totally upon the paintings of Nobel Laureate Robert Solow, and John Hartwick.

Biodiversity loss refers back to the decline or disappearance of organic diversity, understood because of the style of residing matters that inhabit the planet, its distinctive ranges of the organic corporation, and their respective genetic variability, in addition to the herbal styles found in ecosystems.

An environment is a geographic region wherein plants, animals, and different organisms, in addition to climate and landscape, paintings collectively shape a bubble of life. Ecosystems incorporate biotic or residing, parts, in addition to abiotic elements, or nonliving parts. Biotic elements consist of plants, animals, and different organisms although related, sustainable improvement and sustainability are distinctive concepts.

Hence clear that Decreased biodiversity and decreased sustainability are correct.

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Answer:

c

Explanation:

plankton and crabs aren't technically fish, therefore eliminate b and d. seaweed would not progress to crab, therefore starfish is the correct answer.

Answer:

D. Converging Of Plates

Answer: The scientific name is called POPULATION.

Explanation:

In basic ecological studies, POPULATION is defined as a group of interacting individual of the same type or species, living in the same area or habitat and at the same time.

Furthermore, to study a population of organisms, the different characteristics seen include:

--> Population size: This is important as it affects the survival of a given species in a habitat. A small population may be easily wiped out by events such a fire but a large population stands a better chance of survival.

--> Population frequency: This is simply how often the species occurs at different sites in a habitat.

--> Population density: this is the average number of individuals of a species per unit area of the habitat.

--> Percentage cover: This is the area of ground occupied by a given species in its habitat.

--> Distribution: This is the way in which individuals of a particular population are arranged in a habitat. They may be clumped, evenly spaced or randomly spaced.

Answer:

remains the same as in the parent cell

Explanation:

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Answer:

no

Explanation:

Aristotle developed the first system of classification of animals based off of appearances and habitats.

Answer: 3

Explanation: Hope this help :D

Answer:

1.2The main processes involved in the movement of water between the different reservoirs are evaporation, condensation, transport, precipitation, runoff (water runoff from the ground surface), infiltration and transpiration

3.The large surface of the oceans (about 70 percent of the earth's surface is covered by oceans) favors the occurrence of large-scale evaporation. On a global scale, the same amount of water that is evaporated returns to Earth as precipitation. This however varies geographically

4.Earth from Space Although the engine of the cycle is the solar energy that originates the evaporation of liquid water, and therefore its passage into the atmosphere, the role of gravity is also fundamental, thanks to which precipitation falls and continental waters return to the oceans

5.The water cycle is powered by solar energy. The sun heats the surface of the ocean and other surface waters, which evaporates liquid water and sublimates ice, converting it directly from a solid to a gas. These sun-driven processes move water into the atmosphere in the form of water vapor

Explanation:

read

Water is the most important abiotic factor. The process of evaporation, condensation and precipitation causes the movement of the water in the atmosphere.

Evaporation is the process by which the sun's heat causes the water to evaporate, cooling by the condensation, transportation in the cloud particles, precipitate from the clouds to ground through precipitation, infiltration and transpiration are the process by which the water moves on an in the atmosphere.

Oceans are part of the water cycle as they account for 70% of the earth's surface and major of the water gets evaporated from these surfaces. The precipitate however comes back and hence the cycle continues.

Gravity is the force experienced by the planet and aids the precipitation of the water in the form of rain, hails, snow and sleet from the atmosphere towards the earth's surface.

Sun or solar energy plays an important role in the water cycle as the heat from the sun evaporates the water from different sources by the process of evaporation. It converts the liquid water vapour into gaseous forms.

Therefore, the sun and oceans are part of the water cycle and evaporation is the major part of the water cycle.

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Answer:

Those who prey on grasshoppers will have their population decline while the grass population will rise.

Explanation:

Organisms need food to survive. If their food is gone, they won’t thrive as well. This isn’t saying they’ll go extinct, as they may have other food sources, but life will be harder with one food source gone. Since grasshoppers eat grass, the grass population will rise some due to a lack of predation. Hope it helps :)

Answer:

I think these will be the fat soluble vitamins .....the A,D,E,K

Explanation:

The liver stores vitamin A, D, E, K and B12. The first four of these are all fat soluble. This means that the bile secreted during digestion is essential for absorbing them so that the body can use them. If bile production is compromised by liver damage, the proper absorption of these vitamins may be affected.

Answer:

d

Explanation:

This leads to unnecessary replication and out-of-control cell and tissue growth

Answer:

The force of the blood hitting a surface for medium velocity blood spatter is between 5 and 100 feet per second. This causes the droplets of blood to be smaller in diameter, and more like a spray. High velocity blood spatter: ... This causes the pattern of the blood to be similar to a fine spray.

Explanation:

Answer:

Carrying capacity

Explanation:

Section X represents the maximum population size that the environment can support.

Changes in a population of elk are shown in the graph given. The best representation by the letter X is the carrying capacity of the population. Thus, the correct option is D.

The carrying capacity of an environment is the maximum population size of a biological species which can be sustained by that specific surrounding environment, it is given the food, habitat, water, and other resources that are available.

Carrying capacity can be defined as the environment's maximal load, which in population ecology corresponds to the particular population equilibrium of that area, when the number of deaths in a population equals the number of births as well as the immigration and emigration of individuals.

The effect of carrying capacity on the population dynamics is modelled through a logistic function. Carrying capacity is applied to the maximum population which an environment can support in the ecology, agriculture and fisheries.

Therefore, the correct option is D.

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Answer:

You never get the cold but you can carry the cold to someone else

Explanation:

This makes you a carrier not a patient

Answer:

A) Excretory

Explanation:

A good way to remember is Ex - like exit so it will leave the body.

Answer:

A. Excretory

Explanation:

Bile is stored in the gallbladder until it is needed. The pancreas makes enzymes that help digest proteins, fats, and carbs. It also makes a substance that neutralizes stomach acid. These enzymes and bile travel through special pathways (called ducts) into the small intestine, where they help to break down food.