Answer:
false
Explanation:
the hydrosphere is water and water has the biosphere and the geosphere in it.So your answer is false.
Your answer is:
<span>group 2A- 2 valence electrons, charge is +2. </span>
Answer:
0.0438825768068512
Explanation:
use a calculator online, you wont have to wait
Answer:
18.91 ml
Explanation:
Initial volume of base=2.04 ml
Final volume of base = 20.95 ml
Volume of base used= 20.95 - 2.04 = 18.91 ml
Note that the volume of base used is obtained as the difference between the final and initial volume of base, hence the answer given above.