At the bottom of the intertidal zone, which is only exposed during the lowest tides, many invertebrates, fishes, and seaweed can be found. The intertidal zone on sandier shores is not as stratified as in the rocky areas.
Unlike New World monkeys, hominines D. Have opposable thumbs
Opposable thumbs refers to the structure of thumbs that allow the thumb to move around more freely and able to touch all other fingers.
The hominines had these type of thumbs which help them had the ability to clib trees faster in order to survive in their environment
I just did this one if im not mistaken it was red giant
Umm... If your talking about a bruise, then not usually, just be cautious of any radical changes in case of an infection, but a bruise is reasonable, seeing how it is trauma. If your talking about blood, then on occasion depending on your vantage point it may appear purple, don't worry it's just perspective.
They are different isotopes for oxygen two of te three most stable isotopes ( 16,17,18)
Each different isotope contains different amounts of Neutrons
16 contains 8
17 contains 9
18 contains 10
In the end the only difference is quantity of neutrons and which is most stable