Using a list of (a. questions, b. sources, c. goals, d. ideas) is the best way to speed up the research on the project.

using a list of SOURCES is the best way to speed up the research on the project

nautre

nature is sure to be the best thing on earth

the sunshine and beauty is sure to be worth

this can't be sold

for any money or gold

because nature is strongly beautiful and is the best thing to happen on earth