ESS3-1 Mesopotamia used continuous irrigation to get water to their crops. Egypt constructed basins that captured the flood waters once per year. What conclusion from the study of Mesopotamia and Egypt can be
used in irrigation practices today?
Farming should not be done in hot climates
Continuous irrigation is a good thing,
Irrigation methods with the least impact on the water table may be beneficial
Irrigation should not be used in hot climates

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases