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What happens when two continental plates collide?

When a continental and an oceanic plate collide, the oceanic plate slides underneath the continental plate, which leads to the formation of volcanoes due to the rocks in the oceanic plate turning to magma as they are sucked deeper into the earth. This happens due to the fact that oceanic plates are denser than continental plates. However, continental plates are much too dense to be pulled into the earth, which is why the rocks rise to form mountains.\nThe collision between two continents eventually joins the two fully together, as the rocks in each continent basically become welded together by..

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Where are lymph nodes located on the body?

Lymph nodes are located throughout the body and connected by vessels to make up the lymphatic system, an important aspect of the immune system, says the American Cancer Society. Lymph flows through the lymphatic system and is a fluid rich in oxygen and nutrients. It is also the network through which waste products are removed from the body. Part of the lymph fluid are white blood cells that fight infections. The nodes act as filters that remove waste such as infectious cells that are carried in the fluid.\nSometimes these nodes swell, becoming tender and painful, according to Mayo Clinic. Usua..

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What type of molecule is glucose?

Linked, linear chains of glucose molecules make up cellulose. The carbohydrate cellulose is the most abundant organic compound in the biosphere. Most mammals, with the exception of ruminants, are unable to digest cellulose.\nCarbohydrates are one of four major classes of molecules, in addition to proteins, lipids and nucleic acids. They are comprised of sugars and exist in various sizes. Smaller molecules may have prefixes of "mono-," "di-" and "tri-," while larger ones are termed polysaccharides.

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What are testicles made of?

Each testis in covered with a fibrous capsule called the "tunica albuginea." Within this capsule, the testis is divided into 200 to 400 lobes, or sections. Each lobe contains between three and 10 seminiferous tubules. Each tubule is lined with germ cells. During their progress down the length of the tubule, the germ cells pass through several stages of development before finally entering the epididymis as mature sperm cells. The testis also contain Sertoli cells that support the lining of the tubules and contribute to sperm cell maturation, and Leydig cells that are the primary site for the pr..

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What is meant by apogee and perigee?

While the moon is usually described as being about 237,700 miles from the Earth, this is really an average distance. Throughout the year, the moon rests at different apogees and perigees from the Earth. In 2013, the farthest apogee was 252,581 miles, and the nearest perigee was 221,824 miles. These numbers differ every month because the moon's orbit is also slightly eccentric with frequent variations.\nThe apogees and perigees of the moon determine how high ocean tides rise. Very close perigees result in higher tides than usual.

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How many kinds of mammals are there?

Species counts are always somewhat imprecise, as scientists often disagree on how to classify animals and not all animals species have been discovered. As of 2015, the most up-to-date and authoritative list of mammal species is found in the third edition of "Mammal Species of the World: A Taxonomic and Geographic Reference" by Don E. Wilson & DeeAnn M. Reeder. This book, which was published in 2005, counts 5,416 different species, but the actual current number is in flux due to new discoveries and species being reclassified.\nThere are three main major groups of mammals. Placental mammals are ..

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What is bone tissue made up of?

Compact bone gives the bone its toughness and makes up the great majority of adult bone tissue. Its collagen helps the bone remain somewhat elastic and resist easy fracturing.\nBone is also made up of osteoblasts, which create and mineralize bone, and osteoclasts, which absorb and digest damaged or old bone cells. Osteoclasts have a different origin than osteoblasts as they come from the same stem cells that create white blood cells. Osteocytes are largely osteoblasts that are no longer active but reside in the bone matrix. Bone also contains osteoid, which is a mix of collagen and other prote..

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What is the weight of milk per gallon?

Cows are usually milked twice each day. The record for the most milk produced by a cow in one year is 59,298 pounds. A typical cow provides 350,000 glasses of milk during her lifetime.\nThere are 21 billion gallons of milk produced in the United States each year, and 9 percent of this amount is exported to other countries. The top two milk producing states are California and Wisconsin.

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What is the mass of Jupiter?

Jupiter is a massive planet with a surface area of 23,713,907,537 square miles, which is 120 times that of Earth. The radius of Jupiter is 43,440.7 miles, which is about a tenth of the radius of the sun. Scientists predict that the inner core of Jupiter is about the same size as Earth.

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What factors affect the temperature?

The farther a place is from the equator, the colder the temperature is. Locations close to the equator have warmer temperatures than those far away from the equator.Places with higher elevations above sea level have colder temperatures than places at sea level.Ocean currents affect the temperature of towns located near the water. They can bring warm or cold air depending on the current.Areas close to the sea or ocean tend to have warmer winters and cooler summers than an area at the same latitude but away from the sea. Oceans cool down and heat up at a slower rate than land, causing coastal ar..

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