Im pretty sure its c but hope this helps :)
1. A trait is an element of personality that is relatively stable throughout the lifespan and across contexts. And Characteristics is a description of someone’s or something’s features.
2. Technically yes
(Sorry I didn’t know #3)
4. It’s a gene
These substances are called reactants.
Microplastics have been found lodged in the digestive tracts and tissues of various invertebrate sea animals, including crustaceans such as crabs.
