Answer:
organic compounds
Explanation:
Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.
Answer: D.The theme might be the fastest racer wins.
Explanation:
This is just like the turtle and the hare
Answer:
- As with Mercury and Gemini space garments, Apollo suits had to serve as a backup pressure system to the space capsule. [Solution]
Explanation:
The Apollo suits are a solution because they are installed, ready to be used if the pressure system fails or develops a fault.
Answer:
2. Furthermore, when walking on the Moon, Apollo astronauts needed the flexibility to roam freely without dragging a cumbersome combination oxygen line and tether. [Problem]
Explanation:
The need for flexibility is the challenge highlighted in this sentence.
Answer:
3. The garment, similar to long Johns but laced with a network of thin-walled plastic tubing, circulated cooling water around the astronaut to prevent overheating. [Solution]
Explanation:
In this sentence, both the problem and solution are highlighted. The problem is overheating. The solution is the network of thin-walled plastic tubing that distributes cooling water all around the astronaut.
Answer:
4. On top of the pressure layer were five layers of aluminized Mylar for heat protection, mixed with four spacing layers of non-woven Dacron. [Solution]
Explanation:
This is also a solution against heat. It serves to protect the astronaut against extreme heat.
Answer:
5. Capping off the suite was a communications headset and a clear plastic pressure helmet. [Solution]
Explanation:
The cap of the suit provides two utilities: communications and pressure protection. This of course is also a solution.
Cheers