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Andrei [34K]
3 years ago
5

City-states in ancient Sumer required many people with different specialties living and working together. What led to their form

ation? A. better systems of trade B. better tools for hunting C. better tools for agriculture D. better storage of food
Geography
1 answer:
bonufazy [111]3 years ago
4 0

Answer:

C. better tools for agriculture

Explanation:

  • Sumera were the first people, to migrate to Mesopotamia and created a great civilization along the 5500 million years they build the settlements along the river valleys. They had advanced levels of technology such as irrigation techniques.
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The passage states that "rising ocean temperatures also affect the ecosystems in the coral reef, throwing off the delicate balan
MAVERICK [17]

Answer:

Rising ocean temperatures will influence reef species to move to another area that has cooler areas.

Pollution will create dead zones where there are little to no wildlife. Material pollution like plastic will also kill marine life.

Human interference can affect the ecosystems by polluting, overfishing, and destroying coral.

Explanation:

Some marine life are not suitable to warm temperatures, and this will cause them to move to cooler ones, disrupting the normal balance the ecosystem once had.

Pollution from fertilizer runoff and others can deplete the oxygen in the water, and animals like turtles believe plastic is food and will kill them by destroying internal organs and blocking intestines.

Humans pollute and overfish, and this throws the ecosystems off balance because it will create dead zones and will significantly decrease the amount of wildlife there. Humans also destroy coral, which will make reefs die and destroy habitats for wildlife.

8 0
3 years ago
Plz help. does the distance between the sun and earth affect the temperature of earth, plz explain.
ivolga24 [154]
No it does not effect the temperature of the earth.
8 0
3 years ago
24)
liq [111]

The best bibliogaphic entry would probably be: Smythe, Clark. <em>Unsinkable: Folly on the Titanic</em> Little, Brown: New York, 1976.

That is because it seems to be a book about the Titanic itself, whereas the other ones have to do with:

  • topics which are less directly related to the subject-matter (the first entry is about maritime laws and the third one is about the animal and plant populations of the lands near the North Pole),
  • personal, relative accounts of the events (like the fourth entry, which is an autobiography of a survivor and therefore describes the wreck through the character's own perspective) as opposed to more factual material.
6 0
3 years ago
5. List the common energy sources and describe how to conserve them.
Fofino [41]

Answer:

Listed

Explanation:

Five common energy sources are

1. Coal and Petroleum

2. Nuclear energy

3. Geothermal power

4. Solar

5. Wind

conservation of energy is very important in current situation of energy crisis. Efficient utilization of energy sources must be one of the top priority of nations.

1. Procurement of alternate sources of energies to reduce dependence on convectional sources of energies.

2.vehicle running on electric and hydrogen fuels should developed so that sources of coal and petroleum are conserved.

3. Production of solar and wind energies should be on large scale so that their cost become cheaper and available for common people  

3 0
3 years ago
The HIGHER the temperature at which magma cools:
shtirl [24]

Answer:

he larger the crystals and the more mafic the composition

Explanation:

Temperature at which minerals crystallize can determine the nature of composition of the rock and the crystal sizes.

  • When a magma crystallizes at high temperature, the mineral grains have enough time to aggregate around a nuclei.
  • This makes the sizes big.
  • Mafic minerals are know to crystallize at high temperatures.
  • Felsic minerals differentiate at low temperatures.
3 0
3 years ago
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