HELPPP PLZZZ Which of these statements expresses a scientific theory?

A. All living organisms have a body that consists of one or more
cells.
B. A study of material found on a beach showed the presence of
cells.
C. A material that consists of one or more cells is a living organism.
D. Any cell that contains a nucleus is usually larger than any cell
without a nucleus.

Me with biology endocrine system crossword also image left i need with hw

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?