Answer:
No.D is the molecules that has trigonal pyramidal sape
elements:
calcium : for strong bones
Iron : maintaining haemoglobin for metabolism
compunds
sodium chloride : to maintain blood pressure and other life processes
Adenosine Triphosphate: for metabolism, to maintain rate of inhalation and exhalation of oxygen and to supply energy
Mixture:
I) gasoline : used as fuel
ii) cement : used in construction
Answer:
mass and speed
Explanation:
the motion of an object depends on how fast it's travelling and also how much mass it has
