Which country is farthest south? Chile Which country is closest to South Pole? Technically, Chile is the country closest to Antarctica. Is Svalbard dangerous? Svalbard’s main settlement of Longyearbyen is an extremely safe town, one where crime is almost unheard of. A few things to remember: Dress warmly, even in summer when night-time temperatures can […]

What is the main source of energy for all life on earth? The Sun Why does all life require energy? All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments; metabolism is the set of the processes that makes energy available for cellular processes. Living organisms must take […]

What are the 4 different types of forces? Fundamental force, also called fundamental interaction, in physics, any of the four basic forces—gravitational, electromagnetic, strong, and weak—that govern how objects or particles interact and how certain particles decay. What are contact forces explain with examples? A contact force is any force that requires contact to occur. […]

What areas of science did ancient Egyptians study? While much of the world was living in primitive conditions, the ancient Egyptians were inventing writing and advancing the sciences of mathematics, medicine and astronomy. They developed ways to measure time and distances , and applied their knowledge to monumental architecture. What medicines were used in ancient […]

Which of the following performs the function of nitrogen fixation? Heterocyst is a specialized cell found in nitrogen-fixing cyanobacteria. They are the site of nitrogen fixation for which they produce the enzyme nitrogenase. Why does Rhizobium fix nitrogen? Rhizobium is a bacterium found in soil that helps in fixing nitrogen in leguminous plants. It attaches […]

What does the word Strait mean? 1a : a comparatively narrow passageway connecting two large bodies of water —often used in plural but singular in construction. b : isthmus. c archaic : a narrow space or passage. 2 : a situation of perplexity or distress —often used in plural in dire straits. strait. What is […]

Why does a longer length of day cause a higher temperature? Learn how the annual seasonal temperature lag behind increasing daylight hours is a result of the Earth’s tilt! This 23.5-degree tilt defines the area of the Earth which receives direct insolation (sunlight), the surface where the sun’s rays hit the Earth at a 90-degree […]

How are the tides created? The moon’s gravitational pull on the Earth and the Earth’s rotational force are the two main factors that cause high and low tides. The side of the Earth closest to the Moon experiences the Moon’s pull the strongest, and this causes the seas to rise, creating high tides. What are […]

Is the science of the study of the earthquake? Seismology, scientific discipline that is concerned with the study of earthquakes and of the propagation of seismic waves within the Earth. … What is seismology science? Seismology is the scientific study of earthquakes and related phenomena, such as volcanic eruptions. Earthquakes occur when the tectonic plates […]

How much iron ore is in the world? According to the US Geological Survey (USGS), global crude iron ore reserves stood at around 170 billion tonnes as of 2019, comprising 81 billion tonnes of iron content. What is 98% of iron ore turned into? steel How much iron ore is mined each year? The mine […]