through nuclear fusion the sun loses mass causing the sun to become smaller
answered: Guest
characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.
answered: Guest
answer by yourhope:
answer is
human impact on the environment can be seen in the deterioration of the !
Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cellaโs eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen