How do weathering and deposition differ?
a. weathering breaks down rocks; deposition leaves them in new places
b. weathering has to do with air; deposition has to do with plants
c. weathering only occurs in summer; deposition occurs all year-round
d. weathering can be chemical or physical; deposition is only chemical

What is important to study for nios grade 12 chemistry? i have only one month left.

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled