Answer:
The answer is C - studying one chimpanzee for several days.
Explanation:
Females usually have smaller foot prints and they usually step in a pigeon toed manner with a smaller stride. However males, usually walks with a straightforward foot or quite tilted outwards. This is how to differentiate strides of men from women. Stride is defined as to walk long though extending steps. Women also walks gracefully they tend to walk femininely by swinging they hips and walking with short steps. In contrast, men's hip is quite stiffed when walking and takes longer steps when walking.
Aluminium is in Group 3 in the periodic table. Group 3 elements have a 3 valence electrons.
Thus elements like; boron(B), gallium(Ga), indium(In), thalium(Tl) in Group 3 have the same number of valence electrons as aluminium.
Hope it helped!
I think it’s A it’s probably wrong or not