A farmer hired a soil specialist to analyze his soil. The specialist reported that the soil pH was 5, which was below the appropriate range to grow crops. The specialist recommended a soil treatment to the farmer. After taking the advice of the soil specialist, the soil's pH was measured to be 7. According to the information, what sustainable practice was likely used to alter the soil conditions?
A) Addition of limestone Eliminate
B) Addition of nitrogen fertilizer
C) Addition of phosphorus fertilizer
D) Addition of drip irrigation lines

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16