EMERGENCY SO MUCH POINTS We know "dark stars" or exist because of pull on other stars
a. neutron star;gravitationakl
b. black goles;gravitational
c. neutron stars;xray
dblack holes;xray

Match the digestive enzymes to the macro molecules they to digest. down fats into glycerol and fatty acids down carbohydrates into simple sugars down nucleic acids into nitrogenous bases and simple sugars down proteins into amino acids

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

How can you tell the difference between rough er from smooth er?