<span>The precambrian period was a time period that happened billions of years ago. Actually, 4.6 billion years, to be exact. The Earth started to form during this period. Layers of rock, elements of the land and waters, and many other things were developed during this time. The atmosphere had a mind of its own, per se, during this time period. It went through many different changes. The atmosphere went from being extremely cold and galactic to warming and having volcanoes, which allowed for an expansion of life forms.</span>
Explanation:
<h3>The frequency is = 1/t = w/2π of the motion per unit time. It is measured in Hertz. (1hz = 1m/s.) </h3>
Answer:
To correctly answer it.
Explanation:
Scientists need to gather information on a problem before solving it because it they don't gather the required information then they will end up with incorrect solutions for the problem.
Answer:
Geographic technologies are increasingly some of the most important emerging fields for understanding our complex world. Tools such as GIS allow us to view, understand, question, interpret, and visualize data in many ways that reveal relationships, patterns, and trends in the form of maps, globes, reports, and charts.
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Answer:
1.3. A. 1:10 000
1.5. B. Protect the crops against strong winds.
Explanation:
An orthophoto map refers to aerial photograph or satellite which is imagery geometrically corrected such that the scale is uniform. The scale of the orthophoto map is 1:10,000 means 1 cm or inch represent 10000 km on the earth. The purpose of the row of trees is to protect the crops against strong winds. These trees act as a barrier to lowers the speed of coming wind and to protect the crops which can be harmed due to these fast wind.