網頁2024年12月19日 · Clouds are made of round water droplets. Credits: NASA. This article is part of the NASA Knows! (Grades K-4) series. A cloud is made of water drops or ice … 網頁Air is a mixture of gases that circle Earth, kept in place by gravity. Air makes up Earth’s atmosphere. The air we breathe is 78 percent nitrogen gas, 21 percent oxygen, 0.9 percent argon, and 0.03 percent carbon dioxide, along with water vapor (floating molecules of water). Also present are traces of other gases and tiny bits of dust, pollen ...
[Solved] Clouds float in the air, because of: - Testbook
網頁There are several reasons clouds float: first, the droplets in a cloud are small. Very small. An average water droplet in a cloud may only be 20 micrometers across 4. That is half as … 網頁The water that makes up clouds is in liquid or ice form. The air around us is partially made up of invisible water vapor. It’s only when that water vapor cools and condenses into … spice rack cupboard insert
Why does a plane shake while passing through clouds?
網頁2024年4月22日 · I sat and reflected on the outcome I had on my previous mistake. Yes, this was a bad start, and it wasn't what I wanted, but I didn't regret it. I, at least, assume an … 網頁Aluminum tanks are negatively buoyant when full, but eventually becomes positively buoyant as it empties. In other words, aluminum tanks sometimes float but steel tanks never … 網頁Answer (1 of 4): Another question to ponder is why are the clouds are "up there" to begin with. It turns out that the vast majority of water vapor condensing above comes from down … spice rack cabinet with doors