« previous next »

Author Question: New Generation IV nuclear plants such as the pebble-bed nuclear reactor features A) a combination ... (Read 71 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
on: Jul 16, 2018
New Generation IV nuclear plants such as the pebble-bed nuclear reactor features
 
  A) a combination of nuclear fusion and fission in a single design.
  B) cooling with liquid helium, smaller scale and less nuclear fuel in the reaction chamber.
  C) a design that uses a mechanical source of X-rays for power.
  D) designs based on the Fukushima Daiichi plant in Japan.

Question 2

The natural modes of nitrogen fixation are
 
  A) various industrial processes of making fertilizers.
  B) fossil fuel combustion.
  C) lightning and bacterial fixation in soils.
  D) denitrification and various industrial processes.


paavo

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jul 16, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Defences against herbivory. Plants possess an array of unusual and powerful chemicals, including Defences against herbivory. Plants possess an array of unusual and powerful chemicals, including
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Plants Plants
Plants Plants
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
Municipal Solid Waste (MSW) Generation in the United States Municipal Solid Waste (MSW) Generation in the United States
Video: Peptide Bond Formation Animation

For a complete list of videos, visit our video library