Of the following examples, select those that represent a chemical change. i. water freezing and changing into iceii. leaves changing color in the falliii. mixing lemonade mix powder with wateriv. milk going sour
a) ii, iii, iv
b) i, ii, iii, iv
c) ii, iv
d) i, ii

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

What is the correct lewis structure for chloroform chcl3

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m