Which of these is a pure substance. dimond. salt. ocean water a. a and b. b and c

How might a ride in global temperatures affect the biosphere

Differentiate between plant protein and animal proteins with example

How did Galileo's father influence his interest in scientific experimentation? (site 1)

Electron microscopes can reveal detail a. only in specimens that are still alive. b. about the different colors of cell structures. c. of cell structures only once they are strained. d. 1000 times smaller than those visible in light microscopes.

Corals, sea anemones, and jellyfish are members of which phylum? a) Porifera. b) Cnidaria. c) Annelida. d) Chordata e) Mollusca

What does rotting and burning biomass emit?

The figure shows a classic experiment that demonstrates the principle of osmosis. The left side of the U-tube is filled half-way with 10% red sugar water.

Rna polymerases join nucleotides through what kind of bond?

Which is NOT a function of the human stomach? A) stores food for short period of time B) breaks up food physically and chemically C) receives food from your mouth directly after swallowing D) HCl produced inside the stomach to aid in digestion

What is a recessive gene? a. The gene that displays itself. b. The hidden gene. c. The gene that is dominant.