Questions

Hence, soil erosion on hillslopes can be checked by Terrace cultivation.

To exit the PowerPoint application, you should Double click the application control menu icon or you can go to file menu and click exit button or you can close the window button.

DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.