Answer: Because native americans had no contact with domesticated animals
b. False
Answer:
Air pollution is considered as the major environmental risk factor in the incidence and progression of some diseases such as asthma, lung cancer, ventricular hypertrophy, Alzheimer's and Parkinson's diseases, psychological complications, autism, retinopathy, fetal growth, and low birth weight
B. ask a question.
C. prove a hypothesis.
D. support a hypothesis.
Dsupport a hypothesis
A conclusion in scientific research summarizes the results obtained from the data of the experiments conducted which can be in support of the hypothesis or can be contradictory to the hypothesis. A conclusion could be defined as summing up of the arguments to draw inferences from the research conducted however pointing null hypothesis is also very important because both accept, and rejection of null hypothesis provides very useful information
The answer is D :) Hope this helps
office-bloc arrangement
split-ticket
long ballot