Answer:
A greenhouse is a building with glass walls and a glass roof. In the daytime, sunlight shines into the greenhouse and warms the plants and air inside. At nighttime, it's colder outside, but the greenhouse stays pretty warm inside. That's because the glass walls of the greenhouse trap the Sun's heat.
Explanation:
The answer to this is "the polls", on in other words "surveys of public opinion".
The polls can for example look as follows:
51% of people prefer blue to red, and 49% prefer red to blue - this can for example inform toothpaste companies how to design their packaging.
Polls also help predict the result of political elections.
Answer:
Dr. Martin Luther King Jr.
My niece and nephew watch kid shows like Nickelodeon and Cartoon Network. A few <span>tv ads shown on these networks are "Let's Go" and "Play 60". These commercials use popular </span>celebrities and characters from popular kids' shows that motivate children to be more active. Likewise, the ads tell parents to encourage their kids to do physical activities. I think the ads are effective in motivating kids to be more active since they usually do what they see on tv. And in my community, some groups of people also schedule activities wherein kids gather together and play at the park. These activities are helpful since they allow children to have social interaction as well experience physical activities that can benefit their health.<span> </span>
Plants can cause both mechanical and chemical weathering.
Mechanical weathering occurs when roots grow and cause the rock to break (just like the roots that crack the sidewalk).
Chemical weathering occurs when roots release chemicals, like acid, which then break down the rocks.
