How many universes are scientifically proven to exist?
a) 0
b) 1
c) billions
d) infinite

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

What kinds of molecules can pass through the cell membrane without any problem?

Organelles found in plant cells that function through photosynthesis to produce glucose from carbon dioxide and water are called — question 21 options: chloroplasts guard cells photosynthons