What two major processes are involved in the oxygen cycle?

Answers

Answer 1
Answer: You could say photosynthesis, which gives O_2 into the athmosphere, and various burns (like the slow burns in metabolism or actual fires) which make it go into C O_2.

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When listing the levels of organization in organisms from smallest to most complex, which level is just below organs in complexity? cell organism organ system tissue

Answers

Tissues is just below organs in complexity.

What are the tissues?

A tissue is a collection of cells and extracellular matrix from the same origin that work together to perform a defined function. Multiple tissues are then functionally grouped together to form organs.

The hierarchy is the following (from the most simple to most complex):

1. Cell

2. Tissue

3. Organ

4. Organ system

5. Organism

Learn more about levels of organisation here:

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When listing the levels of organization in organisms from smallest to most complex, "tissue" would be just below organs in complexity because organs are made of tissues. 

Which describes an example of ecological succession?A) A caterpillar developing into a butterfly.
B) A meadow replacing a pond in its flood plain.
C) A climate gradually changing over many eons and becoming colder.
D) The replacement of a native species of animal with an invasive species.

Answers

The right answer for the question that is being asked and shown above is that: "D) The replacement of a native species of animal with an invasive species." The statement that describes an example of ecological succession is that The replacement of a native species of animal with an invasive species.

Answer:

its b

Explanation:

What are the 4 types of processes that cycle matter through the biosphere give examples?

Answers

The 4 types of processes that cycle matter through the biosphere include the carbon cycle, water cycle, nitrogen cycle, and phosphorous cycle.

  • For example, nitrogen fixation and denitrification represent two fundamental processes by which nitrogen circulates between living and non-living components of the biosphere.

  • Biological nitrogen fixation is a mechanism by which microorganisms are capable of converting nitrogen gas (N2) to ammonia (NH3).

  • Denitrification refers to the bacterial process of reducing nitrate and nitrite to nitrous oxide and nitrogen, which are released as gases into the atmosphere.

In conclusion, the 4 types of processes that cycle matter through the biosphere include the carbon cycle, water cycle, nitrogen cycle, and phosphorous cycle.

Learn more in:

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1. Biological Processes
 2. Geological Processes
3. Chemical and Physical Processes
4. Human Activity ( hope this helps )

What is the economic impacts of stem cells?

Answers

Answer: Stem cell research has the potential to treat diseases that are currently burdened with high health care costs—especially chronic conditions such as heart disease, Alzheimer's disease or diabetes, the costs of which threaten to cripple the healthcare system.

A box with a mass of 7 kilograms is pushed up a ramp to a height of 5 meters. what is the work done against the force of gravity? assume the ramp has negligible friction.

Answers

Answer: The work done by the ramp against the force of gravity is -343 J

Explanation:

Work is defined as the force that is causing the movement or displacement of an object.

Mathematically,

W=F* d

We know that:

F=m* g

where,

W = work done by the ramp = ?

m = mass of the box = 7 kg

g = acceleration due to gravity = -9.8m/s^2    (Negative sign appears because it is acting against the gravity)

d = displacement = 5 m

Putting values in above equation, we get:

W=7kg* (-9.8m/s^2)* 5m\n\nW=-343J

Hence, the work done by the ramp against the force of gravity is -343 J

so work done = mgh = 7×10×5 = 350 joules

so answer is 350 joules !!

What is true about the process of alternation of generations?

Answers

in alteration of generation means the two forms of life structure interchange as polyp to Medusa or Medusa to polyp