Hi there, the answer would be C (:
Answer:
Explanation:
Answer 1 will be vestigial and answer 2 will be dolphins evolved from organisms with legs. Vestigial organs are those which are not in use but were once used by our ancestors for example an appendix
Answer:
The lower limit of the zone of suitable soil is defined as the limiting zone. The limiting zone is any layer that prevents proper treatment of wastewater. Such a layer causes very slow (or very fast) movement of water through the soil profile
may this help u
Causing a drastic alteration of the environment that makes it unsustainable for life to thrive in that ecosystem causing the animals to go extinct