What is the name for one complete 360 degree revolution of the Moon around Earth? How many days does this take?

Q: You are trying to identify a sample of a mineral. It is brassy yellow with metallic luster, has conc...

A: One can identify a mineral by its appearance and other properties. The color and luster describe the...

Q: 22. Which of the following is the most common type of main-sequence star?     an F star     ...

A: Main sequence stars fuse hydrogen atom in their core to produce helium atoms. They are classified by...

Q: 5.  Which of these are NOT associated with the active Sun?     prominences     granulation ...

A: Prominences Prominences are the gaseous features of the sun, which form bright and large loops. They...

Q: 1. Explain the different processes that occur along the divergent plate boundary. 2. Explain the dif...

A: In plate tectonics, a divergent boundary is a geologic feature where two tectonic plates are moving ...

Q: Which rule of geology states that when you find a rock (R) with pieces of another rock (r) in it, ro...

A: An important objective of Geology is to find out the sequence of formation of rocks and sequence of ...

Q: Question-based on the air pressure.    I have tried but no luck.

A: Atmospheric Pressure Air pressure or atmospheric pressure is caused by its weight. With increase in ...

Q: Star A has a luminosity half that of the Sun (LA = 0.5L), and star B has a luminosity 4.5 times tha...

A: The luminosity of a star is the amount of light that it emits from its surface. Luminosity and brigh...

Q: These types of volcanoes typically emit large volumes of gas, pyroclastic material and lava flows sh...

A: Volcanoes are the geological structures through which molten magma, hot rock fragments, and hot gase...

Q: 2. A spokesman states, "EI Nino will have no effect on world food prices." Why is the speaker probab...

A: The high pressure along the coast of South America comes weak, decreasing the contrast between the a...

Q: A city planner is determining the location for a new hospital. Which question can the plan- ner answ...

A: An Earthquake is a physical phenomenon that is expressed by the violent shaking of the Earth. An ear...

Q: When does the "geochronological clock" begin for a mineral or fossil when the mineral grows or when ...

A:   The information is best suited for the substances having no daughter isotopes. The isotopes, which...

Q: Question-based on minerals, have to determine which is it.   I have tried but no answer correct.

A: A mineral is an inorganic element or compound which occurs in nature, has a well-defined chemical fo...

Q: Is the full moon highest in the sky to an Earth bound observer at noon, sunset, midnight, or sunrise...

A: The Full Moon is the Lunar cycle phase when the Earth is directly between the Moon and the Sun, in a...

Q: 1. The influence of cloud cover acts to: 2. You live in New Your and the winds are coming off Lake E...

A: Cloud cover is defined as the fraction of the sky covered by cloud when observed from any particular...

Q: A student uses a graphic organizer to show the characteristics of an object in our solar system. Whi...

A: In the universe, there are several astronomical bodies like planets, stars, asteroids, and comets. T...

Q: How long does the sunspot cycle last, on average?     365.25 days     about seven years  ...

A: The change in climatic patterns has resulted in the change in the climatic cycles. The increased eff...

Q: Question-based on what relates to earth science. I have tried it but got it wrong.

A: The science dealing with the study of the physical changes going on the surface of the earth is know...

Q: To refute Milankovitch's theory, modern scientists might best demonstrate that the periods of the ic...

A: Milankovitch cycle is the cyclic movement of the earth related to it's orbit around the Earth.

Q: Examine the five phrases and determine the relationship among them. Choose the one option that does ...

A: When two plates are colliding each other and that plate boundary is called convergent/ destructive p...

Q: Is the slope of the 300 mb surface steeper during winter or summer? Why?

A: Temperature in the troposphere decreases with altitude and also decreases uniformly from the equator...

Q: Look at the map of plate boundaries. follow a convergent boundary from one end to the other. Do the ...

A: The tectonic plates are large rigid slabs of a certain thickness found in the lithosphere layer. The...

Q: What does a sketch of the sun, earth, and moon look like during a lunar eclipse?

A: When any planet or the Moon comes in the way of the Sun’s light, an eclipse results. On the Earth, t...

Q: Question-based on earth science,  please read carefully, I can't seem to get it right.

A: NASA prepares for the launch of James Webb telescope, which will give us new insights into outer spa...

Q: 1. Gabe is riding in a roller coaster car that has a mass of 625-kg. If Gabe has a mass of 50 kg and...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Earth Science Question

A: Tyndall first proposed the Carbon dioxide theory in 1861. The theory relates the effect of Carbon di...

Q: A water pollutant that is caused by smoke and exhaust is? A. Sewage B. Heat pollution C. Acid rain D...

A: Pollution is an undesirable change in physical and chemical or biological characteristics of air, wa...

Q: QUestion-based on the label the metamorphic grades.   I have tried it but unable to get correct.

A: Metamorphic rocks are formed under pressure and temperature conditions in the depth. The igneous and...

Q: Finely-ground calcite is often used to make house-hold cleaners advertized as being mildly abrasive....

A: Calcite is a polymorph of calcium carbonate.

Q: If you were a petroleum geologist searching for oil deposits (derived from ancient biomass), why wou...

A: Petroleum is a kind of fossil fuel. Petroleum occurred underneath land or ocean surface. These under...

Q: Which method was primarily used to establish the Geogolical Time Scale?

A: The geologic time scale describes the order and duration of major events and formation of rock in th...

Q: Compare the interactions between gravity and matter in each of the three main mechanisms that are th...

A: The main force which causes the plate movements is gravity. The gravitational pull acting in the cru...