Would you be more likely to find reindeer near the arctic or the antarctic circle

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

How does photosynthesis show the conservation of mass and energy?

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.