Why are trees not common in the arctic tundra? What types of plants are common in this biome?
1 answer:
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NUCLEAR ENERGY
Every second of every day our Sun converts about 4.2 million metric tons (4,200,000,000 kilograms) of hydrogen into helium using a nuclear <span>fusion </span>process. During this nuclear reaction, a small portion of matter is converted to an enormous amount of energy. It is this output that provides the energy for photosynthesis and for heating our atmosphere and oceans.
In this lesson, you will learn the details of the nuclear fusion process. You will also learn about another important nuclear reaction called fission and some useful applications of it.
OBJECTIVES<span>Describe the process of nuclear fusion.Describe the process of nuclear fission.Identify some applications for nuclear reactions.List positive and negative factors associated with nuclear reactions.</span><span>VOCABULARY</span>
Answer:
1. Form of oxygen that combines three oxygen atoms into each molecule is called ozone.
2. Most important weather phenomena occur in the troposphere.
Explanation:
1. The form of oxygen which combines with three oxygen atoms has a molecular formula as which is known as ozone.
Therefore, form of oxygen that combines three oxygen atoms into each molecule is called ozone.
2. The lower part of the atmosphere also known as troposphere is a layer where almost all the weather phenomena occurs.
This layer contains 99% of total mass of water vapor and aerosols. Also, it contains about 75% of atmosphere's mass.
Therefore, we can conclude that most important weather phenomena occur in the troposphere.