The answer is 50%.
The-related number of thumps every moment of the heart when working at its greatest that is generally evaluated as 220 short one's age achieved 90 percent of his most extreme heart rate when tried on a treadmill.
It is prescribed that you practice inside 55 to 85 percent of your most extreme heart rate for no less than 20 to 30 minutes to get the best outcomes from oxygen consuming activity. The MHR (generally ascertained as 220 less your age) is the maximum furthest reaches of what your cardiovascular framework can deal with amid physical movement.
The correct answers for this question is this one:
<span>1) They photosynthesize. They are morphologically similar to plants.
2) Blue green algae (cyanobacteria) lack a nucleus. They do not have organelles, and are unicellular. They also have a gram negative cell wall, just like many bacteria.
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Mold fossil is the right answer
Mold fossil is a hollow space that was once occupied by a dead organism
During mitosis the four centrioles appear visibly and move to the ends of the nucleus one pair at each end<span> then they produce a series of threads that attach to the chromosomes During cell division the threads split the chromosomes and drew them towards the centrioles</span>
