Answer:
That i found new friends and i lear new things
The central idea is what the main thing. For this, I think the central idea is simply Cactuses.
I'm not sure what another supporting detail can be, but if there's a back side, or another page about cactuses, I can sure help! But if that's the only side, ask your parents. xD
Answer:
Spanish is more needed and is also worth learning
It's true that language that is not based on fact cannot be damaging to other people or causes
The second one “Aluminum and steel are good conductors of electricity.” Plastic would not be because it is a insulator. Wood is not a conductor nor a insulator.
