The picture shows an experiment used to determine the effect of using more nails in the core of an electromagnet. which of the following would make this a better designed experiment? a. using a different number of batteries for each electromagnet. b. using the same number of turns of wire for each electromagnet. c. inserting an ammeter in each circuit between the battery and the nails. d. using a different size battery for each electromagnet.

What occupation did muhammad have before the first revelation

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

What is the importantence of the carbon and nitretan cycles in the environment