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Sergeeva-Olga [200]
3 years ago
13

How do isobars help meteorologists predict weather?

Chemistry
2 answers:
asambeis [7]3 years ago
7 0
The answer will be (B)
MAVERICK [17]3 years ago
5 0
B I think not sure but I'm pretty sure
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What type of combustion will happen in a bunsen burner when the flame is yellow
andrew11 [14]

Answer:

combustion of methane gass will take place when the flame is yellow

6 0
2 years ago
I'm a really stuck in this. I kind of suck in chemistry, please help me. I would really appreciate it.
MArishka [77]
<span>Group 1 can be characterized as atoms that have 1 electron in their valence shell. This is valuable when dealing with these questions, because the loss or gain of valence electrons is what defines ionic relationships. When group 1 elements form ionic bonds with other atoms, they are extremely likely to lose their valence electron, since the nucleus has a weaker pull on it than, say, a chlorine atom has on its 7 valence electrons. The weaker pull between the nucleus and the valence electron of group 1 elements means that the radius is high, since the electron is more free to move with less pull on it. This also means that the first ionization energy is low, since it takes relatively little energy for that electron to be pulled away to another atom.</span>
3 0
3 years ago
What were some of the “old” ideas that Isaac Newton learned in school?
Scilla [17]

Answer:

In addition to mathematics, physics and astronomy, Newton also had an interest in alchemy, mysticism, and theology.

4 0
3 years ago
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How many branches of chemistry are there .​
faltersainse [42]

Answer:

5

Explanation:

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6 0
2 years ago
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1. According to the fossil record, the first LAND plants were most likely pine trees. moss and ferns. flowering plants. 2. Scien
Lynna [10]

Answer:

It is true that earth was once covered with oceans and little dry land.

Explanation:

Over the course of around four billion years, the Earth's oceans have lost about a quarter of their original mass. Today the atmosphere is rich in oxygen, which reacts with both hydrogen and deuterium to recreate water, which falls back to the Earth's surface. So the vast bulk of the water on Earth is held in a closed system that prevents the planet from gradually drying out. According to the researchers,  the continents emerged relatively suddenly from an ocean that covered 95 percent of the Earth's surface. The appearance of large masses of dry land would have caused more extreme weather, changes in ocean currents and the emergence of proper seasons. In turn, these environmental changes may have led to rise in atmospheric oxygen that enabled the explosion of new life forms around 500 million years ago.

7 0
3 years ago
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