1. Most is describing the amount of water
2. Salty continues to refer to the water
3. Frozen is also describing the water.
4. Only is refering to percentage
5. Tiny is talking about percentage
Let's number them okay. Since I can't see everything that is said in the picture I will have to assume it is either number 3 or 4.
Answer:
1. the answer is b; the passage is mostly about living walls and how they help
2. the answer is d; the sentence before talks about 'high rise buildings'
3. the answer is a; air conditioners are an example of energy use
4. the answer is d; the first three words are 'containers holding soil'
5. the answer is d;
6. the answer is d;
i'm not sure on all of these so you may want to check my answers before using them(if you do decide to)