The arrows in B and C point to structures that can both be described as . Features of joints found in the skull, distal bones, and teeth. The arrows in B and C point to structures that can both be described as . ligaments tendons bones muscles

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.