Find the hydroxide ion concentration of a solution with a pOH of 5.90. To solve this, use a scientific calculator and enter 5.90 and use the +/- button to make it negative and then press the 10x key.
Answer:
Explanation:
A hydroxide of a metal is a base.
B is wrong. HCl is an acid.
C is wrong. NaCl is a salt.
D is wrong. Water is neutral.
A push or pull is your answer
B) are often quite different from each other
Think, do you think a lung cell looks and does the same as an eye cell? No, they do not.
Answer:
B) purple loosestrife plants growing in the same wet areas as cattail plants
Explanation:
Competition between members of two species means that two <em>different </em>species are "fighting for" or desire the same resource. This resource could be shelter, food, territory, etc.
An organism cannot compete if it is already dead, so that eliminates answer choices A and C. Answer choice D is wrong because these are two organisms of the <em>same </em>species.
Answer choice B is correct because there are two different species competing for one area of land.
