It uses barometers and therometserss
False
Explanation:
The emission of radioactive particles by isotopes as they change into other elements overtime is not known as dendrochronology.
This phenomenon is known as radioactivity. The attendant emission of small particles of matter and electromagnetic ionizing radiation and considerable amount of energy is known as radioactivity.
- Dendrochronology is a method of dating that involves the use of tree rings to the exact years that they were formed.
- It is absolute different from radioactivity.
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Answer:
Starting molecules not completely and quickly convert to its possible product because an activation energy barrier exist that must be overcome for conversion to product.
Explanation:
The activation energy of a chemical reaction is closely related to its rate. This is because molecules can only complete the reaction once they have reached the top of the activation energy barrier. The higher the barrier is, the fewer molecules that will have enough energy to make it over at any given moment.
Many reactions have such high activation energies that they basically don't proceed at all without an input of energy. For instance, the combustion of a fuel like propane releases energy, but the rate of reaction is effectively zero at room temperature. Once a spark has provided enough energy to get some molecules over the activation energy barrier, those molecules complete the reaction, releasing energy. The released energy helps other fuel molecules get over the energy barrier as well, leading to a chain reaction.
Answer:Humans raise large numbers of cattle for food. How will these herds of cows affect Earth's atmosphere? Increase C02 in the atmosphere 6. Analyze: In many tropical rainforests, people clear land by cutting down trees and burning them
Explanation:
Asexual reproduction requires only one parent. Since there is only one parent, there is no exchanging of genetic information, and the offspring are clones of the parent. Asexual reproduction in plants can occur in a variety of forms, including budding, vegetative propagation, and fragmentation. Let's discuss these reproduction types.
Have you ever found an old potato hidden in the back of a cabinet in your kitchen? If a potato sits around for a long time, it will have many small growths, commonly referred to as 'eyes'. Each of these sprouts can be cut from the potato and planted. They will grow into a clone of the original plant that produced the potato. This is a classic example of budding.
For an example of vegetative propagation, let's look at the strawberry plant. If you plant strawberries, you will notice that a row of plants will quickly spread into a large mass of plants. This is because they do a type of vegetative propagation by producing runners. Strawberry plants send out horizontal stems known as stolons. These stems will work their way into the ground in places and form roots, and eventually a new plant will grow.
A third type of asexual reproduction in plants is called fragmentation. This type of asexual reproduction is often used by nurseries and greenhouses to produce plants quickly. For many plants, a clone can be created by breaking off a portion of the stem and placing it in soil or water, depending on the plant. This also happens naturally when small parts of a plant fall off onto the soil and begin to grow into a new plant. An example of fragmentation occurs in liverwort plants, whose small stems or leaves are often broken off by animals or wind and then grow into clones of the parent plant when they land in the soil. I hope this helps
