Wegener observed evidence of fossils of the same plants and animals on separate continents. which of the following best describes how these organisms end up
thousands of kilometers away from each other?
species identification
continental dritt
glacier formation
plant diversity

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61

What element has similar physical and chemical properties as boron.