Its answer b
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Answer:
a ray because it has a jaw and a backbone
Explanation:
Ray fish is considered to be in class Chondrichthyes, and are characterized by their enlarged, winglike pectoral fins, cartilaginous skeleton, jaw, scales and backbone. Ray fish is in the same family as Sharks, however very smaller. It has a stinging pines which is considered as backbone.
It is not seahorse, because seahorse has no cartilaginous skeleton.
It is not Salmon, because it has no cartilaginous skeleton
It is not skates either, because skates has no backbone.
Answer:
It temporarily avoided a civil war again, popular sovereignty being used as a factor to decide whether the state will be free or a slave state. The slavery issue is becoming worse and more violent. This is igniting the fire of civil war. It effectively repealed both the Missouri Compromise 1820 and Compromise of 1850.
Cause scientices need to reason
