GEOGRAPHY MIDDLE SCHOOL

If DE = 7 and BC = 3x-1,
what is x?

Answers

Answer 1
Answer: You don’t have enough information listed in your question to give an answer. For example, what does DE and BC represent? What is your parameters?

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Air transfers heat and moisture as it moves and this in turn influences the weather elements

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We use geologic cross sections to do what?To see the patterns in a rock layer


To determine the absolute ages of rocks


The relative ages of rocks in an area & to decipher the area's geologic history.


To find fossils

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C because scientists are trying to find how old is the land and if there if there is evidence of past life than that would be fossils

A wide sloping deposit of sediment formed where a stream leaves a mountain range is called

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delta. Famous ones: ganges delta, mekong delta

Clues to what ancient climates were like come from all of the following EXCEPTa. ice cores.
b. thickness of rock layers.
c. fossil tree rings.
d. plant pollens.

Answers

Clues to what ancient climates were like come from all of the following except thickness of rock layers. The right answer is b.

The thickness of rock layers primarily provides clues about the geological history of an area, including the sequence of events and the types of rocks deposited over time. While it may indirectly provide some information about the ancient environment in which those rocks formed, it is not a direct source of information about ancient climates. Ice cores from glaciers or ice sheets can provide a wealth of data about past climate conditions, including temperature, atmospheric composition, and even evidence of past volcanic events.

Fossil tree rings can reveal information about past climate patterns, such as temperature variations and precipitation levels, by analyzing growth rings in trees that lived in ancient times. Plant pollens preserved in sediment layers can provide insights into past vegetation and climate conditions, as different plant species are associated with specific climatic conditions.

The correct answer is option b.

Know more about rock layers here

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C is the best answer for this

What volcanoes are on a divergent plate boundary

Answers

Places where plates are coming apart are called divergent boundaries. As shown in the drawing above, when Earth's brittle surface layer (the lithosphere) is pulled apart, it typically breaks along parallel faults that tilt slightly outward from each other. As the plates separate along the boundary, the block between the faults cracks and drops down into the soft, plastic interior (the asthenosphere). The sinking of the block forms a central valley called a rift. Magma (liquid rock) seeps upward to fill the cracks. In this way, new crust is formed along the boundary. Earthquakes occur along the faults, and volcanoes form where the magma reaches the surface.Where a divergent boundary crosses the land, the rift valleys which form are typically 30 to 50 kilometers wide. Examples include the East Africa rift in Kenya and Ethiopia, and the Rio Grande rift in New Mexico. Where a divergent boundary crosses the ocean floor, the rift valley is much narrower, only a kilometer or less across, and it runs along the top of a midoceanic ridge. Oceanic ridges rise a kilometer or so above the ocean floor and form a global network tens of thousands of miles long. Examples include the Mid-Atlantic ridge and the East Pacific Rise.Plate separation is a slow process. For example, divergence along the Mid Atlantic ridge causes the Atlantic Ocean to widen at only about 2 centimeters per year
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