Which of the following is the correct si unit to use to measure a length of rope?
a) yards
b) meters
c) feet
d) inches

If two objects at different te,peraure are in contact with each other what happens to their temperature

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond