Answer the following statement(s) true (T) or false (F)
1. Thermal energy transfer occurs whenever there exists a temperature difference within an object, or whenever there is a temperature difference between two bodies, or a temperature difference between a body and its surroundings.
2. The U.S. natural gas transportation network consists of 1.5 million miles of mainline and secondary pipelines.
3. Solar energy starts with the sun at an average distance of 93 million miles from earth. The sun is a nuclear fusion reactor, with its surface temperature at approximately 10,000° F (5500° C).
4. A direct passive solar system uses large glass areas on the south wall of a building and a thermal mass to collect the solar energy.
1. True
2. True
3. True
4. True
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If the ring gear is driven while the sun gear is held, the planet gears will ________.
A) Rotate in the carrier B) Rotate as they walk around the sun gear C) Be stationary in the carrier D) Rotate with the carrier but not on their axis
Match the following services
a. design, use, operation, maintenance, service, selling of power units, machinery, equipment, structures in agriscience b. producing, processing, and marketing of fruits, vegetables, and ornamentals c. farming and ranching d. growing, managing, and harvesting trees e. hauling, grading, processing, packaging, and marketing commodities from production sources f. selling supplies to agencies that provide services for people in agriscience 1. production agriculture 2. agricultural processing, products, and distribution 3. horticulture 4. forestry 5. agricultural supplies and services 6. agricultural mechanics
Individuals who give advice on the conservation of soil and water are _____
A) soil scientists B) agronomists C) Forest Service researchers D) entomologists
An embryo going through the co-culture process must have more than how many cells by the third day
to be a good candidate for implanting into a surrogate (donor) ewe?
a. 2 c. 8 b. 4 d. 16