Individuals master the concept of conservation and the ability to make logical inferences during which of jean piaget's stages of cognitive development

Agroup of anthropologists from the future want to study the culture and society of the twenty-first century. they cannot find any written documentation of this time period, so they must conduct an archaeological excavation. identify the artifacts, features, and ecofacts they will find during their fieldwork. what will these items tell the anthropologists about our culture and society?

Characteristics of substistence farming include all of the following except a. the use of pesticidesb. shifting cultivation c. farmers that stay in one placed. the lack of tractors and machinery

The animals in the food web release into the environment, which plants then use for a) oxygen: respiration b) carbon dioxide: respiration c) water vapor: photosynthesis d) carbon dioxide: photosynthesis