<span>Vertebrates and invertebrates</span>
Answer:
A gyre is a large system of rotating ocean currents.
Together, these larger and more permanent currents make up the systems of currents known as gyres.
Explanation:
Easy:
1. 2K + Br2 — KBr
2. 4Sb + 3O2 — SB4 O6
Medium:
1. 2Na+2H2O — 2NaOH+H2
2. 2KNO3 — 3KNO2+O2
Hard:
1. 4NH3+5O2 — 4NO+6H2O
2. C2H5OH+3O2 — 2CO2+3H2O
<span>Any type of reproduction in living beings such as, animals, plants, protists bacteria and fungi. Both sexually and a-sexualy causes the most genetic variation.</span>