The length of the Ephtares River
What is 2800km
This was a unique resource found in Mesopotamia.
What is Bitumen
This animal was not initially domesticated in Mesopotamia
What is a horse
This numeral system was used to temporal measurement, dividing a year in 12 months, a month in 30 days, a day into 24 hours, a hour into 60 minutes, a minute into 60 seconds.
What is Sexagesimal
This percent of the sun is hydrogen.
What is 70%
The length of the Tigris River
What is 1900km
This activates the mineral residues in the soil.
What are irrigation waters
This animal was extremely important in Mesopotamia as it provided may resources.
What is a Sheep
This system was invented to distinguish positions in the sky.
This element is converted to helium in the Sun's core.
Hydrogen
This form of river erosion wears away large pieces of bedload material from the river banks and bed.
What is Corrasion
The Sumerians built huge embarkments and irrigation ditches along this river.
What is the Euphrates
This marks the time when Mesopotamians start to use milk products.
What is 4000BC
These produce regolith.
What is Meteors
This layer on the Sun is responsible for outward heat transfer.
What is Convective Zone
This occurs when acidic water erodes rock.
What is Solution
This is the average length of a dry season in the North.
What is 6 months
This marked the beginning of the season when fallow land was washed to cleanse the soil of salt and impurities.
What is Spring Equinox
The longest solar eclipse lasted this long.
Approximately how old is the Earth's moon?
What is 4.5 billion years old
This erosion process is common where carbonate rocks such as limestone and chalk are evident in a channel.
As water from rivers evaporated from the fields, it left this in the ground.
What are mineral salts.
This animal was first used to carry heavy loads.
What is a Donkey
A lunar eclipse occurs during this moon phase.
What is a Full Moon
These are the main elements that have been detected in the Moon's atmosphere.
What are Sodium and potassium