Title: Default for Exercise 5 – Punctuation: Commas
Course: Applied English for Science and Technology

Q: The new material, which will be available next week is composed of plastic and iodine.
- material, which
- week is
- No error
A: week is
Feedback: The new material, which will be available next week, is composed of plastic and iodine.

Q: As World War II escalated the United States became locked into a race with Germany to develop the first atomic bomb.
- escalated the
- States became
- No error
A: escalated the
Feedback: As World War II escalated, the United States became locked into a race with Germany to develop the first atomic bomb.

Q: The three largest earthquakes occurred in San Francisco, Tokyo, and Lima.
- Tokyo, and
- No error
A: No error
Feedback: While the comma following "Tokyo" is optional, it is certainly not incorrect.

Q: On February 5, 1990 Mount St. Helens had another eruption, this one smaller than the eruption 10 years before.
- 1990 Mount
- eruption, this
- No error
A: 1990 Mount
Feedback: On February 5, 1990, Mount St. Helens had another eruption, this one smaller than the eruption 10 years before.

Q: Every year, an earthquake of magnitude between 8.0 and 8.9 on the Richter scale, will be experienced somewhere in the world [Haughton, 1989].
- year, an
- scale, will
- Haughton, 1989
- No error
A: scale, will
Feedback: Every year, an earthquake of magnitude between 8.0 and 8.9 on the Richter scale will be experienced somewhere in the world [Haughton, 1989].

Q: As the flame front propagates hot combustion products expand, resulting in a rapid pressure increase.
- propagates hot
- expand, resulting
- No error
A: propagates hot
Feedback: As the flame front propagates, hot combustion products expand, resulting in a rapid pressure increase.

Q: The concentrations of these gases, which are called greenhouse gases control how much infrared radiation escapes.
- gases, which
- gases control
- No error
A: gases control
Feedback: The concentrations of these gases, which are called greenhouse gases, control how much infrared radiation escapes.

Q: After 1987 parachuting accidents decreased significantly because instructors started teaching novices with tandem jumps rather than static lines.
- 1987 parachuting
- significantly because
- No error
A: 1987 parachuting
Feedback: After 1987, parachuting accidents decreased significantly because instructors started teaching novices with tandem jumps rather than static lines.

Q: On May 18, 1980, a cloud of hot rock and gas surged northward from Mount St. Helens.
- 1980, a
- gas surged
- No error
A: No error

Q: The synergistic reactor contains a chamber in which the exhaust from the burning coal mixes with limestone, see Appendix A.
- chamber in
- limestone, see
- No error
A: limestone, see
Feedback: The synergistic reactor contains a chamber in which the exhaust from the burning coal mixes with limestone, as discussed in Appendix A.

Q: The local economy should benefit from the operation. Local property taxes would decrease for area residents and the Nicolet Minerals Company, formerly the Crandon Mining Company, is expected to spend more than $40 million on local goods and services.
- residents and
- Company, formerly
- Company, is
- No error
A: residents and
Feedback: The local economy should benefit from the operation. Local property taxes would decrease for area residents, and the Nicolet Minerals Company, formerly the Crandon Mining Company, is expected to spend more than $40 million on local goods and services.