Is it solution or mechanical mixture?write for each one of them! 1.limestone

2.orange juice

3.pacific ocean

4.helium inside a balloon

5.aluminum

6.magnesium

7.acetylene

8.tap water in a glass

9.soil

10.pure water(

11.chromium

12.chex mix

13.salt+pure water

14.benzene

15.muddy water

16.brass

17.baking soda

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

What is the name of the enzyme that forms at the start of transcription?

Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction