1. Which of the following is a Cationic single replacement reaction a) 2 AgNO3 + Cu → Cu(NO3)2 + 2 Ag
b) C3H60 + 4 02 → 3 CO2 + 3 H2O
c) SeClo + O2 → SeO2 + 3Cl2
d) 2 NO2 → 2 O2 + N2

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !