What are the differences between marsupial mammals and placental mammals?
What will be an ideal response?
After young marsupials are born, they will travel up their mother's belly and into the pouch. Once inside
the pouch, the young will attach themselves to a nipple, where they are nourished. The young remain in the
pouch until they are strong enough to venture outside the pouch. They will return to the pouch for warmth
and nourishment.
Placental mammals do not have a pouch in which the young are raised
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In the atom, there is a relatively large mass at the center called the ____________________.
Fill in the blank(s) with the appropriate word(s).
A CVT transmission is an automatic transmission which functions like a manual transmission.
Answer the following statement true (T) or false (F)
When installing a split-system small commercial refrigeration system, the condensing unit normally contains:
A) Enough refrigerant for just the condensing unit alone. B) Enough refrigerant for the entire system, including a set length of lines. C) No refrigerant, just a nitrogen holding charge. D) Enough refrigerant for both the condensing unit and the evaporator, but not the refrigerant lines.
A reversible heat engine receives 25,500 Btu/hr of heat from a high-temperature reservoir at 1100 R, and produces 4.2 hp of power. What is the temperature of the low-temperature reservoir.
Given: TH = 1100 R; Q?H=25,500Btu/hr; W = 4.2 hp = 10,689Btu/hr. What will be an ideal response?