What is the function of a cell wall? A) to protect and support the cell
B) to perform different functions in each cell
C) to prevent water from passing through it
D) to prevent oxygen from entering the cell

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?