Answer:
This ancient tool revolutionized farming. Thanks to the plow, early farmers were able to till more land faster than before, allowing them to produce more crops in a shorter time. ... The plow also helped to control weeds and bury crop residue.
Explanation:
palin and valley
Explanation:
any one free out
sin theta equals to cos theta then the value of sin 2 theta
The answer is longitudinal study. This is regularly utilized as a part of social-identity and clinical brain research, to ponder fast variances in practices, musings, and feelings from minute to minute or everyday; in formative brain science, to think about formative patterns over the life expectancy; and in human science, to contemplate life occasions all through lifetimes or ages. The purpose behind this is, not at all like cross-sectional examinations, in which distinctive people with similar qualities are looked at, longitudinal investigations track similar individuals, thus the distinctions saw in those individuals are less inclined to be the aftereffect of social contrasts crosswise over ages.
The 13th amendment expanded the freedom of the emancipation proclamation to more people.
