Cyanobacteria have been engineered to produce isobutanol directly. what advantage does this have over other alternative biofuels

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient