Question

I NEED IT MY BOARDS R ONN...................

1-Nowadays we find e-waste on a large scale.Express ur opinion about its harmfulness.

2-Explain:Water a valuable resource ,if managed properly.

3-What precautions has to be taken by entering data in a spreadsheet?

4-Which plants r cultivated to obtain the fuel?

5-Identify the relationship between carbon in the air and the rise in atmospheric temperature.

6-Which application software in the computer system did u find useful while studying science and how?

7-How does a computer work?

Answer 1

Precautions To Be Taken While using A Spreadsheet:

• Do plan your spreadsheet.

• Don't leave blank rows or columns when entering related data.

• Do save frequently and save in two places.
• Don't use numbers as column headings and don't include units with the data.
• Do use cell references and named ranges in formulas.
• Don't leave cells containing formulas unlocked.
• Do sort your data.

Plants Cultivated To Obtain Fuel:

Some of the plants cultivated to obtain fuel are:

• Corn,
• Sugar Cane,
• Palm oil, Jatropha,
• Soybean,
• Switchgrass,
• Rapeseed

The method of producing fuel from plants or other sources will allow us to decrease our dependence on fossil fuels specially Petroleum products.