Answer:
Computers are now a days the very important part of each department as well as homes. All people are somehow using computers for their respective needs. As technology always has the negative impacts along with the positive ones so, computer do have some crucial points when taking about students specially.
Following are listed some acts that add to the negativity of computer's usage.
- Excess use of computers by students while solving mathematical problems lead them to rely totally on the computer. Students don't tend to calculate by their own instead they use computerized calculators for their ease and hence they start lacking even in basic calculations in normal routine also.
- Computers may impact students routine in such a way that they don't concentrate on their studies while having extreme interest in video games and their favorite seasons and other activities.
- Using computers more than a certain limit effects eyesight badly. This is the reason today most of the teenagers use spectacles in normal routine.
<h3>I hope it will help you! </h3>
Answer:
D. Refrigerants
Explanation:
In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act .
The Clean Air Act Amendments of 1990 prohibit service-related releases of all refrigerants such as R-12 and R-134a. This ban became effective on the 1st of January, 1993.
Refrigerants refers to any chemical substance that undergoes a phase change (liquid and gas) so as to enable the cooling and freezing of materials. They are typically used in air conditioners, refrigerators, water dispensers, etc.
Answer:d) Quantitative data
Explanation: Quantitative data is the data that is required for the measurement of count and then exhibited in the numeric values.It is expressed through the type of name, number,code, symbol etc. It is used in the questionnaire, surveys, interviews etc.
Other options are incorrect because time series data is data according to the time event and categorical data is based on the categories of event.Thus, the correct option is option(d).
The answer is compact disc or cd, only device that use lasers (that arent proprietary floppys)
