The air spaces in the floor of an inflatable liferaft will provide protection against（）.
A: asphyxiation from CO2
B: loss of air in the sides of the raft
C: rough seas
D: cold water temperature
A: asphyxiation from CO2
B: loss of air in the sides of the raft
C: rough seas
D: cold water temperature
举一反三
- 中国大学MOOC: The ______ needs of all animals are food, water, air and protection from their enemies.
- The ______ needs of all animals are food, water, air and protection from their enemies. A: previous B: primary C: preliminary D: prior
- An inflatable life raft is thrown into the water from a sinking vessel。 What occurs automatically after the painter trips the CO2 bottles to inflate the raft?( ) A: A. The sea anchor deploys B: B. The floor inflates C: C. If upside down, the craft rights itself D: D. The painter detaches from the raft
- An inflatable life raft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?
- How is food for plants made Food for plants is made ______. A: from water B: from the air in the sky C: from the soil D: from water, things in the soil and air and sunlight