In the 1970s, many biotechnologists worked to develop a biodiesel that was an alternative to petroleum diesel. the results of their research was a biodiesel fuel that can be burned by most regular diesel engines and releases up to 50% less carbon emissions than petroleum diesel. if the majority of diesel-burning vehicles in the united states begin using biodiesel, what would be the most likely environmental impact?

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

Which of the following forest management practices is best for reestablishing areas of forest?