The value of z is x(.20) = (.40)y
Answer:
I would assume that we would want to know how much and the type of precipitation to know if the anything is changing within our climate. We would most likely need to know how much precipitation we are getting a year to see if it's less or more the next years to come.
Explanation:
The phrase which best describes a period on the periodic table is: a row of elements
Periodic table can be defined as an organized tabular arrangement of all the chemical elements arranged in order of increasing atomic number or number of protons, especially in rows.
On a related note, chemical elements with the same number of valence electrons are found in the same column of the periodic table.
In conclusion, the rows of a periodic table are referred to as periods while the columns are referred to as groups.
Read more: brainly.com/question/24441368
C. After your first drink
