A change in the heritable traits of biological populations over generations
Answer:
A. sexual reproduction
Explanation:
Sexual reproduction produces a new combination of genes in the offspring that may better enable them to survive changes in the environment and assist in the survival of the species.
the answer is b) shoppers no longer need to leave the house or spend hours at the mall to make a purchase
Answer:
precipitate
Explanation:
In case of an inorganic chemical reaction leading to precipitation, the chemical reagent causing the solid to form is called the precipitant. The clear liquid remaining above the precipitated or the centrifuged solid phase is the ' supernate' or ' supernatant'.
1) A
2) B
3) B
4) C
5) B
6) C
7) D
8) B
9) A
10) A
