Which substance cannot be separated by physical means or chemical means?

A: Mixture

B: Compound

C: Solution

D: Element

What organelle releases energy for metabolic activity in cells

What do marine scientist do

A complete protein provides the body with the nine essential

What makes stars produce energy

How does the arrangement of the air molecules found in the troposphere compared to the arrangement of those found in the thermosphere

Alcoholic beverages are extremely hurtful when it comes into contact with cell membranes. Their chemical nature can destroy the phospholipids that bind it together. Explain how someone who drinks alcohol can be affected on all 5 levels of life.

How does an outliner affect the range of a data set?

What is causing the overgrowth of plankton and algae that chokes out other life forms?

Some students are comparing the parts of a cell to the parts of the body. Which part best represents the cell membrane and why?

What is secondary succession?