The Sea (salty waters) and are formed by the freshwater ecosystem. Lakes, wetlands (swamps, ponds, marshes), groundwater and freshwater ecosystems of rivers, seas formed the saltwater ecosystems.
I believe the correct answer is D. <span>ears pinned back, eyes averted or lowered, and lips pulled back and down.
When dogs are afraid, their ears are lowered to show fear because of something they may have done wrong. They are also scared or embarrassed to look at their owner because they know they will receive some sort of punishment. Their tail is also usually tucked between their legs to show they are afraid.
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Answer:
1) A scientific theory is testable....
Answer:
crabs, shrimp, starfish, scallops and sea urchins
Explanation: