Why is it dark in space with the sun? In space or on the Moon there is no atmosphere to scatter light. The light from the sun travels a straight line without scattering and all the colors stay together. Looking toward the sun we thus see a brilliant white light while looking away we would […]

What are the Eastern Caribbean islands? Stretching in an arc, southwards from Puerto Rico to Grenada, the Eastern Caribbean includes the main islands of Barbados, Antigua and St Lucia, while further south, and closest to the South American coast (just a few miles from Venezuela) are the sister islands of Trinidad and Tobago and the […]

Which two continents are tropical rainforests found? The majority of tropical rainforests are found in four biogeographic realms: the Afrotropical (mainland Africa, Madagascar, and scattered islands), the Australian (Australia, New Guinea, and the Pacific Islands), the Indomalayan (India, Sri Lanka, mainland Asia, and Southeast Asia), and the Neotropical (South America. What are the 5 major […]

How do you remove nitrogen oxides? A key technology for removing nitrogen oxides is their reaction with ammonia via selective catalytic reduction (SCR), whe re NOx is rendered harmless via reduction to nitrogen and water. What absorbs nitrous oxide? Both types of soda lime completely absorbed the NO2 in all samples when it was present […]

What is the most common volcanic gas? The most common volcanic gases are water vapour, carbon dioxide, sulfur dioxide, and hydrogen sulfide. Small quantities of other volatile elements and compounds also are present, such as hydrogen, helium, nitrogen, hydrogen chloride, hydrogen fluoride, and mercury. Which gases are released into the atmosphere when volcanoes erupt? Often, […]

Which process mainly releases oxygen? In the process of photosynthesis, phytoplankton release oxygen into the water. Half of the world’s oxygen is produced via phytoplankton photosynthesis. The other half is produced via photosynthesis on land by trees, shrubs, grasses, and other plants. What is the process of oxygen cycle? The entire cycle can be summarized […]

Why are houses burning but not trees? Fires that spread from house to house generate a force of their own. The needles, yellowed from the intense heat, were not burned — evidence that the winds that morning had pushed the fire along so fast it never had a chance to rise into the trees. But […]