Answer:
An ionic bond.
Explanation:
A strong electrostatic force of attraction will develop between the oppositely charged ions. For example, sodium chloride (salt) is essentially made of a positively charged sodium ion and a negatively charged chloride ion. 
 
        
             
        
        
        
Answer: disconformities
Explanation: disconformities are usually erosional contacts that are parallel to the bedding planes of the upper and lower units. I hope this helps
 
        
             
        
        
        
The plant belongs to the group Angiosperm. Vascular plants with seeds could be cycads, Gingko, conifers, or angiosperms. Among those groups, only angiosperms have flowers.
The plant they found have colored, scented flowers which suggests that it could be pollinated by insects or birds. Colored flowers attract birds and insects. Color serves as a guiding mark. Talking of scent, it does not attract bird, but attracts insects. It also serves as the guiding mark.