Nthe semi arid regions of china, the country's inhabitants have practiced water harvesting for generations. water harvesting is the process of collecting rainfall and/or runoff for later use. how does this water conservation method the environment?
a) water harvesting causes drought-like conditions the rest of the year.
b) keeping the water for later use leads to over farming and land degredation.
c) water harvesting causes the area to become uninhabitable the rest of the year.
d) by collecting runoff during the rainy season much of the land degredation caused by water erosion is prevented.

The deserts of the sahara and australia are associated with

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent