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2 years ago

Please help. I have been struggling with this for two days and my teacher won't help me

Biology

2 answers:

goblinko [34]2 years ago

3 0

What class is that and how you need help

zhannawk [14.2K]2 years ago

3 0

Answer:

Coyote and red-tailed hawk

Explanation:

In the food chain, there is producer, first consumer, second consumer and tertiary consumer.

The producer is plant, because plant can make food by itself.

The first consumer are usually animal lime insect because they eat only plants.

The second consumer are more like birds, fish or chicken.

The tertiary consumer are more like meat-eatin animals or carnivore.

Brainliest would be appreciated :))

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Write a 225 word report on why each of the factors (R, K, L, S, C, and P) are important factors needed to determine the amount o

Lostsunrise [7]

Answer:

The R, K, L, S, C, and P factors are -

R - the rainfall erosivity factor,

K - soil erodibility factor

L- the topographic factor derived from slope length

S -the topographic factor derived from slope gradient

C- the cover and management factor

P - the erosion control practice factor

Explanation:

The R, K, L, S, C, and P factors are -

R - the rainfall erosivity factor, which depends on geographic location. The greater is the intensity and duration of the rainfall, the higher will bethe erosion potential.

K - soil erodibility factor, K signifies the soil loss in tonnes/hectare (tons/acre) for any agricultural land that is cultivated and has a slope length (assumed) of 22.13 meters and slope steepness of 9%. K represents the susceptibility of a soil particle to be easily detached from the surface and carried away by rainfall and runoff. The greater is the value of K , the greater is the erodibility of the soil particles.

L- the topographic factor derived from slope length, It signifies the extent of soil being carried away when slope lengths is greater than an assumed slope length of 22.13 meters. The longer the slope , the higher is the rate of erosion.

S -the topographic factor derived from slope gradient, It signifies the extent of soil being carried away when slope steepness is greater than an assumed slope steepness of 9%. The steeper the slope , the higher is the rate of erosion.

C- the cover and management factor, It states how effective soil and crop management systems is in terms of preventing soil loss. It is a ratio of soil loss from land under a specific crop and management system to corresponding loss from continuously fallow and tilled land. The higher the C value, the lower is the management process quality to prevent soil erosion

P - the erosion control practice factor, It represents the after effects of practices pertaining to reduce erosion by reducing the amount and rate of the water runoff. The lower the P value, the better is the effects of practices pertaining to reduce erosion

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3 years ago

The muscular system is made up of Multiple choice question. all the muscles plus the nerves attached to them. all the muscles, l

umka2103 [35]

Answer:

all the muscles.

Explanation:

The muscular system is composed of all muscles in the body. The main function of the muscles is to produce movement in different parts, voluntary or involuntary, creating equilibrium. Muscles are made of myocytes. There are three types of muscles: smooth muscle, skeletal muscle, and myocardium.

The smooth muscle is formed by fusiform cells, mononucleated, and no transversal striations. There is a protein contraction system, but not as organized as the one of the skeletal muscle.

Smooth-muscle can be found in organs, vessels, veins, and arteries. It provides sustained contractions, slow and rhythmical, but not voluntary.

Skeletal muscle is the most abundant muscle in vertebrates, constituting the somatic musculature. It proportionates motion to extremities and digits and is responsible for the position and posture of the individual. It is also involved in eye movements, respiration, mastication, deglutition, and phonation. It moves the tongue, the superior esophagus, and the pharynx.

The skeletal muscle is innervated by axons of the motor neurons coming from the CNS. The contraction of the skeletal muscle is voluntary and fast.

Cells composing the striated muscle are significantly long and multinucleated. They arrange in bundles, where cells are parallel to each other.

Myocardium tissue is more similar to the striated tissue than to the smooth one. However, there are some differences between them. Cardiac cells are cylindrical and smaller, with ramifications. Cardiac cells only have one nucleus, and occasionally there can be two. Actin and myosin filaments are arranged just as the skeletal ones, and the contraction of cardiac cells is molecularly very similar to the skeletal

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3 years ago

Select ALL of the following that are directly used to control fatty acid oxidation in cells.

Serjik [45]

Answer:

The correct statements are A negative feed back regulation if free fatty acid accumulate C targeting the acetyl CoA transport shuttle in the mitochondrial membrane

Explanation:

The beta oxidation of fatty acid can be regulated by several following ways.

A The accumulation of free fatty acids exerts negative feedback during beta oxidation of fatty acids.As oxidation of fatty acids result in the breakdown of complex fatty acids in free fatty acids and acetyl CoA,the accumulation of free fatty acids lowers the rate of beta oxidation of fatty acid.

C The targeting of end product of beta oxidation that is acetyl CoA to the mitochondrial membrane also regulates the beta oxidation pathway.Because more the transport of acetyl CoA to the mitochondrial membrane more will be the rate of fatty acid break down by beta oxidation.

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3 years ago

Is maltodextrin flammable substance?

Marta_Voda [28]

Answer:

Yes.

Explanation:

Produced from starch by partial hydrolysis, it is usually found as a combustible/explosible, white, hygroscopic spray-dried powder.

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andriy [413]

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