61) Which equation represents an addition reaction?
A)
C3H6 + Cl2 C3H6C12
B) C3H2 + Cl2 C3HCl + HCI
C)
CaCl2 + Na2CO3 CaCO3 + 2Naci
D)
CaCO3 CaO + CO2

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum