Reduction in the sea otter population affected the Pacific coast ecosystem by
a. decreasing the biodiversity of the ecosystem.
b. reducing the size of the sea urchin population.
c. promoting the increased growth of the nearby kelp beds.
d. increasing the biodiversity of the ecosystem.

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.

2b2t

explanation:

2b2t