This article is about the planet. For other uses‚ see Earth (disambiguation). Earth | "The Blue Marble" photograph of Earth‚ taken from Apollo 17 | Designations | Alternative names | Tellus or Terra‚[note 1] Gaia | Orbital characteristics | Epoch J2000.0[note 2] | Aphelion | 152‚098‚232 km 1.01671388 AU[note 3] | Perihelion | 147‚098‚290 km 0.98329134 AU[note 3] | Semi-major axis | 149‚598‚261 km 1.00000261 AU[1] | Eccentricity | 0.01671123[1] | Orbital period | 365.256363004 days[2]
Premium Earth
American InterContinental University Unit 2 Individual Project Circular Flow In the textbook‚ there are two circular flow diagrams. One represents the flows in the macro-economy as a closed system and the other represents the flows as an open system. The circular flow diagrams show how money travels through the economic systems including businesses‚ households‚ foreign agents and governments (Editorial Board‚ 2013). Within the closed and open systems there are two consumers. The first consumers
Premium Economics
Biology Plant and Animal Cells Prokaryotes: No nucleus or other membrane Eukaryotes: has a nucleus and other organelles Plant cells have cell wall and chloroplast while animals cells don’t Organelles Cytoplasm: suspends organelles in cell Endoplasmic Reticulum: transports materials throughout the cell Nucleus: stores genetic data and performing mitosis Mitochondria: converts glucose with oxygen to make energy for cell Cell membrane: support cell and allow diffusion Chloroplast: absorbs
Premium Cell Light Ray
Elements of weather and climate[edit] There are several elements that make up the weather and climate of a place. The major of these elements are five: temperature‚ pressure‚ wind‚ humidity and rain. Analysis of these elements can provide the basis for forecasting weather. These same elements make also the basis of climatology study‚ of course‚ within a different time scale rather than it does in meteorology. Modifying factors of weather and climate[edit] The more important are also five: latitude
Premium Water Hydrology
species and may change over time due to a variety of factors‚ including: food availability‚ water supply‚ environmental conditions and living space. 2. Lithosphere: -Solid outer shell of the earth -Made of rocks and minerals -50-150km thick Hydrosphere: all of the in solid‚ liquid and gas from on‚ above and below earth’s surface. 97% of earth’s water found in oceans Biosphere: the zone around earth where life can exist. Atmosphere: -the layer of gases surrounding the earth Consists of: 78%
Premium
The 10 Rules of Management Conflict Comment / Shares/ Tweets/ Stumble/ Email More + The other day I was interviewed for a story entitled "Conan O’Brien is living the ultimate employee fantasy." In venting his frustrations with NBC’s management‚ Conan achieved personal satisfaction‚ high ratings‚ and $40 million to go away. Sure‚ he burned some bridges. But look at it this way: NBC screwed him and he vented. That’s a wash in my book. All in all‚ I’d say he made out okay. But the whole
Free Environment Environmental science Environmentalism
Prelim Past questions – Chemical Earth. 1. What is the systematic name for a compound with the formula Cu2SO4? (A) (B) (C) (D) 3. In which compound do all atoms have the same electronic configuration? (A) (B) (C) (D) 4. Copper sulfide Copper (I) sulfate Copper (II) sulfate Copper disulfate LiF NaCl MgF2 NCl3 Identify the property which decreases across each row of the Periodic Table. (A) (B) (C) (D) Melting point Ionisation energy Valency Atomic radius
Premium Oxygen Copper Chemistry
INTRODUCTION Climate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years. It may be a change in average weather conditions or the distribution of events around that average (e.g.‚ more or fewer extreme weather events). Climate change may be limited to a specific region or may occur across the whole Earth. The most general definition of climate change is a change in the statistical properties of
Premium Global warming Ocean Climate
Environment and its Problems Introduction Environment is defined as the surroundings in which the organism lives. The environment may be the physical environment‚ the chemical environment or the biological environment. Thus‚ the environment has two components - abiotic and biotic. Classification of Natural Resources The things that man derives from the environment are called natural resources. Natural resources are thus stores of supplies that are needed by man. The resources include
Premium Ecology Pollution Natural resource
The Biogeochemical cycles of Earth Earth with its many species and abundant live is a Biosphere in flux. As time passes with the seasons‚ the earth turning upon it’s axis and the movement of the sun’s rays North to South‚ makes it a place of movement and cycles. There are four cycles that are considered the four major biogeochemical cycles. The hydrologic‚ this is the transport of water around the globe. The nitrogen cycle‚ this is the movement of nitrogen within the biosphere. The carbon
Premium Oxygen Water Plant