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garri49 [273]
3 years ago
6

Greenhouse climate on earth was associated with relatively high atmospheric levels of which gas?

Biology
1 answer:
STALIN [3.7K]3 years ago
4 0
D.carbon dioxide gas
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Two birds eating same food and nesting in same area are called what
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If it's two different kinds of birds it's called competition.
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The combined observations of Matthias Schleiden, Theodor Schwann and Rudolph
kobusy [5.1K]

Answer:

The option 'All cells contain a nucleus' is not a part of the cell theory.

Explanation:

The cell theory proposed by scientists illustrates that every organism whether prokaryotic or eukaryotic is made up of a cell or different kinds of cells. It also that explains that cells are made from living things. According to the cell theory, cells are termed as the basic unit of life, without which life is not possible.

The cell theory does not claim that every cell must have a nucleus because many cells like cells of prokaryotes lack nucleus. Their genetic material is dispersed in the cytoplasm.

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2 years ago
Defend the statement found in controversy that foods, not supplements are the best and safest form of phytochemicals.
Anika [276]

Answer:

The easiest argument is the next one:

Suppose phytochemicals are like money. If I put you in a phone cabin with a lot of money and give you 30 sec to be there collecting as much money as you can, at the end you will collect not all the money and a lot of money will be lost. The same happens whit phytochemicals in supplements there are so many that your body can't use them all.

And other thing is that phytochemicals in supplements comes so concentrated that your body will be overstimulated to take this phytochemicals and that changes your normal digestion, in the time it may looks good...but if you don't take supplements anymore, your body will feel the lost and the physical results would be awull.

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2 years ago
What is the best way to keep an ice cube from melting experiment?
mrs_skeptik [129]
Keep it in a place where the tempature
is very low
3 0
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Read 2 more answers
In nature, the elements oxygen and hydrogen are usually found as gases with the formulas O2 and H2. Why? Are they compounds? Are
Nitella [24]

Answer:

In nature, the oxygen element mainly occurs in gaseous form. While hydrogen  is also formed of two atoms and is also a colorless, odorless gas just like oxygen. But hydrogen is generally found as water.

Explanation:

Oxygen and hydrogen are commonly diatomic molecules, not compounds. Hydrogen is the most abundant and light of all elements in the earth. Hydrogen reacts with oxygen to form water. Hydrogen too forms parts of many compounds such as acids, hydrocarbons in organic compounds and so on. About 10% by mass of human body is composed of hydrogen. Oxygen, as it already known is the elements responsible for the survival of living organisms. It forms about 65% of human body by mass.

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3 years ago
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