Scientists and policy makers often have to work together to set catch limits on fisheries. imagine that a policy maker proposes to allow the fishing of a certain species to go on at current rates because, she says, "fishing at current rates will not impact the ecosystem. we are removing fish at a rate lower than the birth rate of their population." is this claim valid? what indicators would you look at to support or disprove this claim? explain your reasoning.

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Are the earth's ocean floor and continents the same age geologically? why or why not?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.