Anya knows the velocity of an object. What else does she need to know in order to find the object’s momentum? its mass
its height
its density
its speed

chemists can use the electron cloud model to assign electrons to different atomic orbitals. atomic orbitals also explain the patterns in the periodic table

explanation:

i think so it’s will be b yes i believe its

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

l dont know l am s sorry