<span>If a noun ends in a vowel, simply add -s.If a noun ends in a consonant, simply add -es.If a noun ends in a -z, change the z to c before adding -es.If a noun ends in ión, drop the written accent before adding -es.<span>If the plural refers to a mixed group, use the masculine.</span></span>
The atom you are discussing here is Nitrogen.
Nitrogen has an atomic mass of 14.007
Brainliest please :)
Environmental scientists are using GPS ( It is effective but expensive) aerial monitoring (Quick but not the easiest), RFID tags, (mostly for long-term monitoring) and hidden cameras are used to study polar bear behavior without interruption to their environment.
Answer:
I. evolved from ancestors that walked
Explanation:
Whales and pythons have vestigial structures, which are structures (hind legs) which are no longer useful to them since they have evolved. The ancestors of the whale and python did use the hind legs but over generations the whale and snake have adapted to new environments and they no longer need them.
Bottlenose dolphin and <span>near the mouth</span><span>
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