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4 years ago

How do industrial processes affect the amount of fixed nitrogen in an ecosystem

1 answer:

riadik2000 [5.3K]4 years ago

5 0

The impact that human involvement, or industrial processes, have on the amount of fixed nitrogen in an ecosystem is diverse. Because industrial nitrogen inputs to the ecosystem are greater than natural inputs, there is a larger concentration of nitrous oxide in the atmosphere.

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Identify the appropriate time period where vascular plants with woody tissues, seeds, and veins shared the land with spiders, sc

dimulka [17.4K]

Answer is Middle Paleozoic era.
Paleozoic era was in 542 Ma - 245 Ma and it has 6 periods as Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian.
360-280 Ma - forming of vascular plants with woody tissues, seeds and veins.
430 - 410 Ma - forming of jawed fishes and first amphibians.
420 Ma - forming of scorpions
360 Ma - forming of crustaceans.

3 0

3 years ago

What is GPS used for

tigry1 [53]

Answer:

GPS, or the Global Positioning System, is a global navigation satellite system that provides location, velocity and time synchronization. GPS is everywhere. You can find GPS systems in your car, your smartphone and your watch. GPS helps you get where you are going, from point A to point B.

Explanation:

7 0

3 years ago

Read 2 more answers

In quiet breathing, muscular effort is used mainly in inspiration, and expiration is largely passive, due to elastic recoil of t

Zielflug [23.3K]

Answer:

During quiet breathing, the main muscular effort is made in the inhalation process and the expiration process is mainly passive as it depends on the inhalation.

The expiration occurs due to the elastic recoil that causes a decrease in volume. In this process, the contraction of the diaphragm helps in the inhalation which is least affected by the intercostal muscle. During quiet breathing, the rate of inhalation and expiration time is relatively proportionate to one another.

8 0

3 years ago

When you hear any sound, your eardrum vibrates. these vibrations are then transferred to the inner ear by the hammer, anvil, and

Ede4ka [16]

They are found in the middle ear as they are also known as the middle ear ossicles

8 0

3 years ago

Can anybody say what phase each letter goes with? I am having a very hard time

ioda

Answer:

A is called Prophase

B is called Anaphase

C is called Metaphase

D is called Telophase

Explanation:

These can get confusing but I'll explain it for you.

The first stage of mitosis is Prophase.

In this stage the chromosomes become visible and the centrioles separate and move to opposite poles of the cell.

The second stage of mitosis is Metaphase.

In this stage the chromosomes line up across the center of the cell and become connected to the spindle fiber at their centromere.

The third stage of mitosis is Anaphase.

In this stage the sister chromatids separate into individual chromosomes and are pulled apart.

The fourth and last stage of mitosis is Telophase.

During this stage the chromosomes gather at opposite ends of the cell and lose their distinct rod-like shapes. Two new nuclear membranes then form around each of the two regions of DNA and the spindle fibers disappear.

The process that follows the last stage of mitosis is called Cytokinesis.

With two complete copies of the DNA now in two different regions of one cell, the cell membrane will pinch and divide the cytoplasm in half. The result is two individual cells that are identical to the original cell. Each of the two new cells have a complete copy of the DNA and contain all of the organelles that the original cell had.

Hopefully, this eases the problem for you and you understand it better.

Also, this image might help:

Let me know if you any other questions about this.

Good luck:)

4 0

4 years ago