The rock cycle includes all of the steps except which of the following
a) magma or lava cools b)sediments melt deep beneath earth's surface
c) extreme heat and pressure form metamorphic d) rocks at earth's surface are broken down into smaller pieces.

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

What factors contribute to the effect an environmental toxin has on the human body?