2. in the following reactions, indicate whether the reactants and products are ionic or covalently bonded.
a) *picture shown above*
b) clarification: what is the nature of the bond between sodium and amuse? what kind of bond forms between the anion carbon chain and sodium?

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.