Why is dark matter difficult to measure? a) because it does not exist in our galaxy. b) because it disappears when it encounters ordinary matter. c) because it creates so much heat it melts any instruments invented so far. d) because it does not emit anything that current technology can detect

B) Because it disappears when it encounters ordinary matter.  

- Dark matter is very difficult to detect because they have almost no interaction with normal matter.

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )