16 From the opposite figure answer the questions (16 to 18) : Part of the system do people have the least control over... () (ii) river (i1) reservoir dam А- (i) В- (iї) C- (iii) D- (iv) (v) river 17 LO:2 The volume of water entering the reservoir from the river is... A- controlled by man & vary from season to season B- controlled by man & Constant during seasons C- vary from season to season and man cannot control it D- constant during seasons and man cannot control it

Q: Core 1000 km The student wants to create a scale model out of modeling clay and begins with a sphere...

A:   If 4 cm thick sphere of clay represents 1000 km core of mars. Then,      1000 km of core =   4 cm ...

Q: Mechanism of Ozone Destruction Ozone decomposes thermally to oxygen in the following reaction:2 O3(g...

A: Ozone depletion has become a serious issue to the earth because near Antarctica its length has incre...

Q: One proposal to counter climate change is to plant more trees which would photosynthesize and remove...

A: The variations in the climatic conditions such as temperature, precipitation for a more extended per...

Q: What happens to the size of sediment as you get farther away from the shoreline? Explain what is hap...

A:   The size of sediment keeps on decreasing farther away from the shoreline. The stream water current...

Q: which of the following choices includes manganese nodules?A. Lithogenous B. Cosmogenous C. Biogenous...

A: The rock concretions occurring on the bottom of the ocean floor formed by the accumulation of variou...

Q: Enter the terms in the left column into the appropiate boxs. Terms Oceanic Lithosphere Continenta...

A: The earth's crust or lithosphere is divided into two, Continental lithosphere and Oceanic lithospher...

Q: Define sustainability from an Environmental Science point of view and explain its importance.

A: In the present scenario of energy, the energy demand is increasing day by day, but the energy source...

Q: If you represented Earth's history by a line thatis 0.5 m long I land? cm How long a segment (in mm)...

A: The entire history of the Earth is shown as a line 0.5meter long. The Length of 0.5meter long repres...

Q: Which type of heat transfer is thought to occur in the mantle that helps fuel plate tectonic movemen...

A:   Large convection currents transfer heat from deep mantle toward the upper part of asthenosphere. T...

Q: how are fossils helpful in geologic investigations?

A: Fossils are the remains of the dead organisms in the form of impression, trace or track, the hard pa...

Q: Choose the answer that best fits the blank. Walter and Luis Alvarez believed that the iridium in the...

A: The asteroid impact occurred during the time between the Cretaceous and Palaeogene periods. Such an ...

Q: Explain how it is possible for some locations in the world to experience colder than average years, ...

A: Global warming means the unusual increase in the average surface temperature of the Earth over the p...

Q: Please help me with this question

A:   When 15P30 decays to 14Si30, the positron particle is released.  

Q: Question: The Cambrian Explosion occurred approximately 542 million years ago. During the Cambrian, ...

A: In the geological time scale, the Cambrian periods are associated with the Palaeozoic era and Phaner...

Q: Refer to the figure below, which shows a lava flow radiometrically dated at 275 my and an igneous di...

A: The relative age (from oldest to youngest) of the rock formations follows the sequence: Metamorphic ...

Q: nterior of the Earth- Name each of the following features: 1. 2, Ocean 2. 3. 3. 4. 5. 4. 6. Shade th...

A: The earth is divided based on the composition as crust, mantle and core. By Tomography, the structur...

Q: Do you believe that environmental security is just as important as economic and military security? W...

A: Environment is the integral part of our life. Without interacting with environment there is no possi...

Q: What are the three types of plate boundaries, and what surface features are characteristic of each?

A:   At Divergent plate boundaries, two plates diverge from each other. e.g., the Mid-Atlantic Ridge an...

Q: The idea that the same geologic processes, occurring over millions of years, have formed Earth's sur...

A: The geologic processes acting on the earth shaped the earth into what it looks like at present.Endog...

Q: Explain the differences among the pycnocline, the halocline, and the thermocline. Explain what effec...

A: The ocean is stratified, having various layers like Halocline, thermocline, and pycnocline.Thermocli...

Q: What steps would you suggest that countries across the planet should take to eliminate plastic pollu...

A: When the extraction of the petroleum resources is done, a product plastic along with it is extracted...

Q: Explain how human activities such as deforestation, overgazing, slash-and-burn, over-cultivation of ...

A: Desertification is the process of the degradation in biological productivity of any land area by nat...

Q: Relative to troughs and ridges in the jet stream, where are regions of rising and sinking air locate...

A: The temperature on the earth's atmosphere varies from place to place due to variations in solar radi...

Q: “What is the alutude angle of the Sun for someone in Moscow, Russia (56 degrees * N) on December 22”

A: The rotation of the earth is from west to east and is tilted at an angle of 23.5 degrees. When one h...

Q: What makes the Pacific Plate Rim a ring of fire? Explain why the most powerful earthquakes happen on...

A: The Pacific Rim traces boundaries between several tectonic plates—including the Pacific, Juan de Fuc...

Q: Plaese help me of All of them     Question 1 A slow unnoticeable and persistent form of earth moveme...

A: Mass movements or mass wasting is the downslope movement of a mixture of soil and rock particles by ...

Q: Explain the difference between the way glaciers and sea ice accumulate ice. What role do ocean curre...

A: Sea ice differs from the way glaciers accumulate because it forms, expands, and melts entirely on an...

Q: Why swimming along the coast of Northern California in summer is only for hardy souls (not a pleasur...

A:   The Coriolis effect because of rotation of the earth, the frictional coupling of wind and water i....