You can not see between opaque materials because light cannot pass through them.
Answer:
✅
Explanation:
DON'T USE DRUGS BECAUSE IT IS GOING DEATH
Answer:did you get the answer
Explanation:
Answer:
PubChem CID 16663
Structure Find Similar Structures
Chemical Safety Laboratory Chemical Safety Summary (LCSS) Datasheet
Molecular Formula C9H20
Synonyms 4-ETHYLHEPTANE 2216-32-2 Heptane, 4-ethyl- 4-ethyl-heptane 4-ethyl heptane
Explanation: