A They resulted from a trait of the mustard plant being selected and bred to other plants
b
They resulted from the exposure to extreme temperatures and ultraviolet sun rays.
c
They were created over one generation with only two plants
d
They stopped forming additional varieties at the end of a growth cycle.

A

Explanation:

i mea they did select certain characteristics and did introduce/bred it to other plants

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

c. movement because i took the test and it lets me review my answers