In what year did Canada gain complete independence from the British?

Which of the following is an environmental cost of agriculture? a. agronomyb. cash cropsc. pollutiond. crop rotation

Based on what you know about speed of light and sound, which come/comes first in a thunderstorm

All of the following statements ere innovations that benefited farmers during the second agricultural revolution expect a. the iron plough b. the railroad c. animal husbandry d. plant domestication