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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Abiotic factors are anything nonliving that help biotic, or living things. Abiotic features include wind, water, ice, sand, rocks ,or even things such as temperature. They are nonliving things. Biotic includes all things living such as humans, plants, and animals. All biotic things rely on nonliving abiotic features to survive.
Answer:
It is useful during exercise. When the body doesn't get enough oxygen during exercise, it relies on anaerobic respiration for an energy supply. Instead of carbon dioxide and water, however, anaerobic respiration produces lactic acid. Also, anaerobic respiration releases less energy than aerobic respiration but it does this more quickly.
Hope this helped.
- profparis