Which statement is true about central vision?
a. it is about twelve degrees of our visual field
b. it is our side vision
c. it allows us to estimate distance and understand details in the path ahead
d. it us detect light and motion

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?

During convection, less dense fluid rises and denser fluid sinks.

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation