Answer:
1. time the car stopped is at 0.7-0.8 hours.
2. time greatest velocity: 0.2 - 0.4 hours.
3. greatest velocity: 60.0.
4. car accelerating at 0.4 - 0.7
5. fast car going at 1.0: 40.0
6. acceleration at 0.9: 20.0
Explanation:
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Meiosis is a type of reproduction where two divisions occur. It is when gametes, sex cells, divide. In prophase of meiosis, it is similar to that of mitosis, as in the spindle fibers develop as well as centrioles. First, homologous (pairs) of chromosomes line up in the center of the cell. Next, spindle fibers pull the pairs apart, leaving one chromosome of each pair on each side. Then, the nuclear material divides as the spindle fibers and centrioles go away. Lastly, the cytoplasm divides, leaving two cells. Meiosis two starts out with prophase again. In prophase, the DNA condenses and forms short chromosomes as well as spindle fibers and centrioles developing. Next, the chromosomes (there is only one chromosome, made up of two sister chromatids) line up in the center of the cell. Next, the spindle fibers pull the chromosomes apart, pulling one chromatid to each side of the cell. Then, the nuclear material divides and the spindle fibers and centrioles disappear. Lastly, the cytoplasm divides, leaving four cell in total.
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The best example of a biogeochemical showing the interaction among various organisms and the impact of human activity is the carbon cycle.
Carbon cycle represents the biogeochemical cycle that shows the movement of carbon compounds in the environment. It involves the atmosphere, hydrosphere,pedosphere and the biosphere of the earth. The producers or the plants use the atmospheric carbon dioxide for the process of photosynthesis to produce organic compounds. It is further passed to the various consumers or the heterotrophs of the food chain. Cellular respiration by these organisms releases carbon dioxide back to the atmosphere. The decomposers act on the dead organisms and release carbon compounds back to the atmosphere.
Human activities like burning of fossil fuels and deforestation which is the cutting of trees have contibuted excessively to the increase in carbon dioxide in the atmosphere. Carbon dioxide being a green house gas has also led to the global warming. Thus, burning of fossil fuels, aforestation or planting more trees can reduce the human impact on ecosystem.
Answer:
The energy associated with an object’s motion is called kinetic energy.
the energy associated with the constant, random bouncing of atoms or molecules. This is also called thermal energy
