Atest that determines the percentage of erythrocytes in a volume of blood:

What is the difference between an igneous, sedimentary and metamorphic rock

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water