Not AI But Real Answers By Experts!
You can get a pretty good idea of what causes an earthquake from thinking about what happens during an earthquake. During an earthquake, there is a trembling of the ground. It is this trembling of the earth that may cause buildings to fall. So an earthquake is a trembling or vibration of the earth’s surface. What … Read more
In February 1943, in the middle of a cornfield in Mexico, people saw a rare and amazing thing taking place. A volcano was being born! In three months it had formed a cone about 300 meters high. Two towns were destroyed and a wide area damaged by the falling ash and cinders. What makes a … Read more
There are several species of nettle, not all of which have stinging hairs. Most people, however, have suffered a nettle-sting at one time or another; and of those nettles that do sting, the common nettle and the Roman nettle are the best known. The latter has the most painful sting of all nettles. The stinging … Read more
Glaciers are not a rarity today. The most common type is called “valley glaciers”. In the Alps alone there are more than 1,200 valley glaciers, and in the high mountains of southern Alaska, there are tens of thousands of them. Valley glaciers creep downward like great rivers of ice snowy The source of the large quantities of … Read more
The coconut is the fruit of the coconut palm tree. The husk of the coconut is there so that the inner seed, or nut, will be cushioned when it falls to the ground. This nut is about 8 to 20 centimeters long. Just inside the hard, dark shell is a layer of dense, white meat. … Read more
When man decided he wanted to fly, he had to create a flying machine. When you examine a bird, you can see that Nature has done everything possible to make the bird a perfect flying machine. First of all, the bird has wings. The main flight feathers of the wings are attached to the bone of … Read more
This little insect is wonderfully made. The house has two big brown eyes and each eye is made up of thousands of lenses. These two big eyes are called “compound eyes”. The fly also has, on top of the head, looking straight up, three “simple eyes” that can be seen only through a magnifying glass. … Read more
When you look at an oyster that has been opened, it seems to be formless. But it is really a complex creature with a mouth, gills, stomach, liver, intestine, and heart. There are more than a hundred species of oysters. They vary widely in size, shape, habits, and flavor. But generally, oysters produce many young. … Read more
We all know that flies carry disease. The fly is born and may spend most of its life around rubbish and germ-breeding areas. The housefly actually chooses moist decaying matter as a place to breed. The female lays the eggs, which are white and about 1.2 millimeters long. From each egg comes a slender, worn like … Read more
Ecology is the study of how living things interact with one another and their environment. Ecosystems are natural units, composed of all the organisms in an area along with the non-living components that they depend on to survive. While ecology focuses on relationships between organisms within an ecosystem, it also includes interactions among ecosystems at … Read more