Could somebody help me please

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

what is the statement?