Answer:
The year the Greek city of Helike disappeared is -⅕ times the year the US Civil War ended. Let w represent the year the Civil War ended.
Explanation:
Answer: Part H
-1/5w = Helike Disappearance
c+1/4c = Civil War ended
c+1/4c - (-1/5w) = 2238 years in between
Explanation:
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Silfra is a rift valley that runs along part of the Mid-Atlantic Ridge in Iceland. This picture of Silfra shows an area where large cracks formed as the North American Plate and the Eurasian Plate moved away from each other. In this area, the rift cuts through an underwater spring, causing the cracks to fill with crystal-clear water. Because the water is so clear, it is a popular spot for scuba divers.
Answer:
Okay. But what is the question then.
Answer:
Silfra is a fissure between the North American and Eurasian tectonic plates in Thingvellir National Park. The rift was formed in 1789 by the earthquakes accompanying the divergent movement of the two tectonic plates. The diving and snorkeling site at Silfra is right where the two continents meet and drift apart about 2 cm per year. Silfra is the only place in the world where you can dive or snorkel directly in a crack between two tectonic plates.
How does your understanding of ecosystem relate to the unit’s global context of identities and relationship?
Answer:
An inquiry into identity and relationships explores the following areas:
• Identity
• Beliefs and values
• Personal health
• Physical health
• Mental health
• Social heal
• Human relationships, including families, friends,
communities and cultures
• What it means to be human
Did all the stars in the universe form at around the same time?
Answer:
no
Explanation:
because if the stars were formed at the same time it wouldn't be possible
Name 5 ways that organisms can be preserved as fossils, and explain what fossils can show about Earth’s history.
Answer:
preservation of original remains, permineralization, molds and casts, replacement, and compression.
Explanation:
Rock formations with exceptional fossils are called very important for scientists to study. They allow us to see information about organisms that we may not otherwise ever know
Answer:
Fossils form in five ways: preservation of original remains, permineralization, molds and casts, replacement, and compression. Rock formations with exceptional fossils are called very important for scientists to study. They allow us to see information about organisms that we may not otherwise ever know.
Why is it important for all the phases of growth and reproduction to proceed correctly in order for a plant species to survive?
Answer:
uuuhhh what in the world
What risks could there be in having the vast majority of a country’s agricultural production dependent on one crop?
Answer:
Explanation:
According to a new WWF book, agriculture – the largest industry in the world – is one of the biggest threats to the environment. Inefficient food production and harmful agriculture subsidies are causing deforestation, water shortages and pollution.
Answer:
If that crop fails so would the agricultural production of said nation which could lead to famine or economic breakdown
Explanation:
When you rely on only one crop then your basically sitting on a ticking time bomb. If the crop fails and you don't have a replacement, your agriculture is disabled. If that crop is something like cotton, You loose your main export and ability to employ people. If its something like Rice then your citizens loose food which will cause famine in the lands which could lead to rebellion.
True or false:
All of the stars in the Universe formed at around the same time as our Sun
The Sun, planets and other solar system objects formed at about the same time.
Early Earth was much like Earth today.
Before there was an ocean, there was water vapor in the atmosphere.
Answer:
1: False
2: True
3:False
4:False
srry if im wrong
Explanation:
Explain why some forms of severe weather only occur at certain places or times of year.
Answer:
The temperature in the area has probably the biggest impact on a storm's formation. So if warm and cold air clash together, you will have a tornado. This also happens with hurricanes, but is it the right temperature in the air and in the ocean.
Explanation:
Answer:
Differential heating of the earth’s surface by the sun and earth’s rotation on its axis is the root cause of severe weather.
Explanation:
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P Waves (speed): They typically travel at speeds between ~1 and ~14 km/sec.
P Waves (type of motion): They compress and expand (oscillate) the ground back and forth in the direction of travel.
P Waves (type of material the wave travels through): These waves can travel through solids, liquids, and gases.
P Waves (other information): Compressional waves are also called P-Waves, (P stands for "primary") because they are always the first to arrive. They gave us the first jolt last Friday. Shear waves propagate more slowly through the Earth than compressional waves and arrive second, hence their name S- or secondary waves.
S Waves (speed): Speeds are on the order of 1 to 8 km/sec.
S Waves (type of motion): S waves produce vertical and horizontal motion on the ground surface.
S Waves (type of material the waves travel through): S waves only travel through solids.
S Waves (other information): In seismology and other areas involving elastic waves, S waves, secondary waves, or shear waves (sometimes called elastic S waves) is a type of elastic wave and are one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves.
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