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3 years ago

PLEASE WRITE A GOOD ANSWER (NOT FROM THE INTERNET) SO I CAN GIVE SOMEONE THE POINTS.

Biology

1 answer:

iogann1982 [59]3 years ago

8 0

Answer:

Greenhouse gases, such as carbon dioxide, methane, nitrous oxide, and certain synthetic chemicals, trap some of the Earth's outgoing energy, thus retaining heat in the atmosphere. This heat-trapping causes changes in the radiative balance of the Earth-the balance between energy received from the sun and emitted from Earth-that alter climate and weather patterns at a global and regional scale.

Multiple lines of evidence confirm that human activities are the primary cause of the global warming of the past 50 years. Natural Factors, such as variations in the sun's output, volcanic activity, the Earth's orbit, the carbon cycle, and others, also affect Earth's radiative balance. However, beginning in the late 1700s, the net global effect of human activities has been a continual increase in greenhouse gas concentrations.

Explanation:

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What is the starchy material inside seeds that provides nutrients for the embryonic plant called?

PilotLPTM [1.2K]

Answer:

Endosperm

Explanation:

An endosperm develops in a seed after a process known as double fertilisation occurs in the ovary of a flower whereby one of the sperm nuclei inside a pollen grain reaches the interior of the embryo sac and fuses with the two polar nuclei forming a triploid nucleus which is the primary endosperm.

The endosperm supports embryonic growth by supplying nutrients and acting as a mechanical barrier to protect the embryo during seed development and germination.
The endosperm has living cells that regulate seed germination.
The endosperm is secreted with hydrolysis enzymes through the gibberellin hormone that induces the synthesis of amylase in the aleurone layer.
The hydrolysis enzyme catabolizes starch which act as energy source providing carbon and nitrogen for seed germination and seedling development.

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4 years ago

In humans, identical twins are possible because A. extraembryonic cells interact with the zygote nucleus. B. convergent extensio

jeka94

In humans, identical twins are possible because C. early blastomeres can form a complete embryo if isolated.

Identical twins are formed when an egg after fertilization by a sperm gets divided into two.

The early blastomeres are totipotent cells which means that they have the capability to form all the cells of the body further. Hence, if an egg after fertilization splits into two, it has the potential to form a complete embryo which forms an individual.

However, as the splitting process has occurred after fertilization, hence the two individuals formed will be identical twins. The genome for the identical embryos will be identical.

Identical twins are also referred to as monozygotic twins as they arise from a single egg or zygote.

To learn more about identical twins, click here:

brainly.com/question/5109778

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1 year ago

Utility gloves made of _______ are always used when cleaning the operatory or processing instruments.

Korolek [52]

<u><em>A) nitrile rubber.</em></u>...

8 0

4 years ago

Read 2 more answers

Write any three ways to establish a planned city.

gizmo_the_mogwai [7]

Answer:

Build for people with Wide open space, Green infrastructure, Get rid of high-rise flats, It's time to say goodbye to the car, Shorten the supply chain, People power, More communal living. hope this helps

Explanation:

4 0

3 years ago

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Ms. Tierney arrives in the Emergency Department with a burn that extends throughout the dermis and epidermis. It is hard, dry, a

Helen [10]

Third degree or full thickness

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2 years ago