identify the mixtures in the following list. if there is more than one answer, select all that apply.
1. whole blood
2. gold(au)
3. air( mostly n2 and o2)
4. saline solution
5. alcoholic drink
6. table salt( nacl)
7. ethanol(ch3ch2oh)
8. elemental oxygen

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

Compare and contrast refraction of light and sound will give brainliest

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17