Which of the following is not true about sedimentary rocks?

a.
they are formed through compaction and cementation.
c.
they are formed from igneous rock fragments.
b.
they are made up of sediments.
d.
they are not part of the rock cycle.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?