- Feb 24, 2022
- 7 min
Why are leaves green? Chlorophyll in leaves
CachHayNhat - You don't know why the leaves are green? Or why do the leaves turn yellow in autumn? Leaves are usually green, but not many
- Nov 3, 2021
- 5 min
Are whales a mammal?
CachHayNhat - Whales are mammals, however, because they live in the ocean, these large animals are called marine mammals. In fact, the blue
- Oct 2, 2021
- 2 min
Why Does Nose Run When It's Cold?
Why does my nose run in cold weather? When it's cold, many people have a runny nose and a lot of water, especially those with sinusitis. Alt
- Sep 13, 2021
- 5 min
What Is Background? How to Design Beautiful Background
What is the background? Background is a pretty common word, often very often used that we can come across everywhere, in every field. Let's