What physical properties does a penciel have?

The relationship of give and take of living organism in the biosphere is a balance of nature called? How much money did it cost to repair the damage of the 1950 tibet earthquake? What was north west ordience? How is a chromatogram made? Chemical reactions that consume free energy are called? What does mL mean in weight? What country is latitude 20 S and longitude 130 E? What molecules must be present in order for energy production to occur in the mitochondria of an animal cell? What gives neptune and uranus their blue to blue green colors? What are the same about the earth and Pluto? The substitution addition or removal of a single nucleotide in DNA is called a what mutation? A key enzyme utilized by an RNA virus is what? Is LDPE used for making disposable cups? What geographical feature most influenced the success of invaders? Which nutrients are required for the synthesis of haemoglobin? Where was the second hole in ozone found? Location of Washington DC? Are all atoms made of the same materials? What type of protein is used to carry other molecules? Viruses are called a biological puzzle explain giving reasons?