Hannah does an experiment. she has two colorless chemicals that she mixes together in a beaker. which of the following indicates that a chemical change occurs when she mixes the two chemicals together?
i. the chemicals change color from colorless to purple.
ii. a yellow gas forms.
iii. a brown solid forms in the bottom of the beaker.
iv. the temperature of the chemicals rises 15°c.
a.
ii and iii only
b.
i and iii only
c.
i, ii, iii, and iv
d.
i, ii, and iii only

if this is really you s much. i only have 3 points left and i have 2 questions to ask

a - base

b - exponent

so,

6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.

it shoild be o

step-by-step explanation: