What is the exact size of the Earth?
What is the exact size of the Earth?
Earth’s circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). Its diameter (the distance from one side to the other through Earth’s center) is 7,926 miles (about 12,756 kilometers).
How many miles is it around the world?
Earth’s circumference is the distance around Earth. Measured around the Equator, it is 40,075.017 km (24,901.461 mi). Measured around the poles, the circumference is 40,007.863 km (24,859.734 mi).
How big is the Earth compared to a human?
The Earth is about 3.5 million times larger than a human.
Who created earth?
Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula. Volcanic outgassing probably created the primordial atmosphere and then the ocean, but the early atmosphere contained almost no oxygen.
Where do humans originate?
Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa. Most scientists currently recognize some 15 to 20 different species of early humans.
Did humans survive the last ice age?
Near the end of the event, Homo sapiens migrated into Eurasia and Australia. Archaeological and genetic data suggest that the source populations of Paleolithic humans survived the last glacial period in sparsely wooded areas and dispersed through areas of high primary productivity while avoiding dense forest cover.
What did humans eat during the ice age?
It is likely, however, that wild greens, roots, tubers, seeds, nuts, and fruits were eaten. The specific plants would have varied from season to season and from region to region. And so, people of this period had to travel widely not only in pursuit of game but also to collect their fruits and vegetables.
What did the first humans eat?
Eating Meat and Marrow The diet of the earliest hominins was probably somewhat similar to the diet of modern chimpanzees: omnivorous, including large quantities of fruit, leaves, flowers, bark, insects and meat (e.g., Andrews & Martin 1991; Milton 1999; Watts 2008).
What happens to your body once you stop eating meat?
Energy Loss. You may feel tired and weak if you cut meat out of your diet. That’s because you’re missing an important source of protein and iron, both of which give you energy. The body absorbs more iron from meat than other foods, but it’s not your only choice.
What’s the benefits of not eating meat?
A plant-based diet, which emphasizes fruits, vegetables, grains, beans, legumes and nuts, is rich in fiber, vitamins and other nutrients. And people who don’t eat meat — vegetarians — generally eat fewer calories and less fat, weigh less, and have a lower risk of heart disease than nonvegetarians do.
Why being a vegetarian is bad?
It can make you gain weight and lead to high blood pressure, high cholesterol, and other health problems. You can get protein from other foods, too, like yogurt, eggs, beans, and even vegetables. In fact, veggies can give you all you need as long as you eat different kinds and plenty of them.
Why is meat bad?
Meat and saturated fat Some meats are high in fat, especially saturated fat. Eating a lot of saturated fat can raise cholesterol levels in the blood, and having high cholesterol raises your risk of heart disease.
Are there benefits to eating meat?
Eating meat has several health benefits: Reduced appetite and increased metabolism. Many studies have shown that high-protein diets that include meat increase metabolic rate, reduce hunger, and promote fullness ( 57 , 58 , 59 , 60 ).