An instrument which help to make work easier is called a

Explanation:

machine is a gaget that make our work easier

foe example ; sesssior ,washing machine ,computer

sexual reproduction produces offspring with novel combinations of genes. species that reproduce sexually must maintain two different types of individuals, males and females, which can limit the ability to colonize new habitats as both sexes must be present.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.