What are two central ideas of the text? A
There is a widespread need for an artificial blood substitute.
B
Developing safe and reliable alternatives for human blood is challenging.
С
An essential function of blood is to transport oxygen throughout the body.
D
Scientists are struggling to evaluate the effectiveness of using artificial blood for
transfusions.
E
A hemoglobin-based oxygen carrier has been approved to treat patients needing blood
transfusions in South Africa.
F
The lack of advancement in medical technology prevents doctors from treating patient
in need when blood transfusions are not possible.

Janes father receives a severe punishment at the end of the text. was this punishment fair? did he deserve this punishment? why it why not? should mr brushed have him? use the text to support your argument.

The arctic national wildlife refuge is home to caribou, moose, musk oxen, wolves, foxes, grizzlies, polar bears and migratory birds. leaders in the oil industry believe the refuge is the perfect site for the “environmentally sensitive exploration” of oil. environmentalists are wondering: what will become of the wildlife? president george w. bush, oil-industry leaders and others believe that americans will benefit from the oil that lies under the snow-filled surface of the refuge. in their opinion, the oil will reduce high fuel prices and decrease our need for oil from other countries. i believe the cost of such drilling is too high. i agree with environmentalists who fear that drilling will disturb the migration of more than 130,000 caribou. each spring, the caribou travel 400 miles to give birth on the coastal plain. in this area of the refuge, there are fewer predators. in addition, experts say that the oil in the area adds up to less than a six-month supply. is such a small amount of oil worth the risk drilling poses to these animals? americans are the largest consumers of oil. instead of drilling for oil, we should decrease our need for foreign oil simply by using less. we must all work together to cut back on the oil we use in order to preserve the wildlife of the arctic national wildlife refuge. what type of argument is used in this paragraph? i believe the cost of such drilling is too high. i agree with environmentalists who fear that drilling will disturb the migration of more than 130,000 caribou. each spring, the caribou travel 400 miles to give birth on the coastal plain. in this area of the refuge, there are fewer predators. in addition, experts say that the oil in the area adds up to less than a six-month supply. is such a small amount of oil worth the risk drilling poses to these animals? a. appeal to emotion c. appeal to logic b. bandwagon d. none of the above select the best answer from the choices provided a b c d

What is the source of tension in this excerpt? ellery searching everything insects filling the light fixtures ellery standing on the desks louise carpenter whispering