Not AI But Real Answers By Experts!
If you were to cut down any tree more than one year old and look at the cross-section, you would see alternating bands of light and dark wood. The two bands together are called “the annual ring”, and they make up the amount of wood formed by the tree during a single growing season or … Read more
By QCity Editorial Stuff / December 5, 2021 Last Updated on March 19, 2022 by QCity Editorial Stuff As the American colonies grew, so did the differences between them. One of the most significant divides was political: Chesapeake colonists tended to be more conservative, while those in New England were more liberal. This division played out in many ways, … Read more
The ability of certain birds to fly great distances and arrive “home”, or at their destination, is one of the most remarkable things in nature. Do you know that carrier or homing, pigeons were used to carry messages as long as 2,000 years ago by the ancient Romans And even now when modern armies have … Read more
Photosynthesis is the process by which plants, algae, and some types of bacteria use the energy from light to produce their food. Cellular respiration is the process by which living organisms release energy stored in their molecular bonds through a variety of chemical reactions inside the cell. Photosynthesis and cellular respiration are both important in … Read more
Plant cells are structurally different than animal cells, which has to do with the composition of their cell walls. Plant cells have cellulose-containing walls while animal cells have chitin-containing walls. Animal cells are also more specialized than plant cells. Animal cells contain organelles like mitochondria, Golgi apparatus, and lysosomes while plant cells lack these organelles. … Read more
Sound and light are two types of energy that we experience every day. We use them for entertainment, to see in the dark, and even sometimes to communicate with each other. While the sound is an example of a longitudinal wave, which means that it vibrates along its direction of motion; light is an example … Read more
The Antarctic region is the area around the South Pole. It includes the continent of Antarctica, which is the fifth-largest continent. It is almost as large as Europe and the United States combined. This region is the coldest and bleakest part of the earth. It is surrounded by the world’s roughest seas. It has strong … Read more
Nobody except the Aboriginal people knew kangaroos existed until about 200 years ago. The first Australian explorers and settlers saw them for the first time. The kangaroo, of course, has a pouch, and in Australia many main-mals have pouches. Australia and its neighboring islands ate where most of the punched animals have been found. Pouched … Read more
There are many people who actually tremble with fear at the sound of a clap of thunder during a thunderstorm. There is absolutely no reason to have any fear of thunder. By the time the sound of thunder reaches you, the bolt of electricity that caused it has already done its work. You hear the … Read more
There is gravity on or in every single object that exists in the universe. Gravity is simply the force that pulls every object in the universe towards every other object in the universe. But the force of gravity depends on two things: the mass of the objects involved, and their distance from each other. For … Read more