The early hominid stages can be differentiated from one another based on the complexity of the tools used by these species. The tool evolved along with the evolution of the humans. The more the hominids evolved by more complex their tools became. The tools made by the earliest hominids were used to fish out the termites. These tool developed and became more widely used as the humans evolved.
Hence, the answer is 'by observing the complexity of the tools'.
Food preparation is the process that involves planning and preparing of meals. The food prep (preparation) list is a sheet that contains information of ingredients and the amount of each of the ingredients required when preparing a particular dish. The food prep list is part of a recipe which makes the kitchen much more organized and prevents wastage and excessive use of ingredients.
Antibiotics don't lead to shocks bacteria do
Scientific modeling is a scientific activity, the aim of which is also to make something a particular part or feature of the word easier to recognize, define, quantify, visualize, or even simulate by referencing it to an existing and usually commonly accepted knowledge.
The most appropriate answer would be Winter !!
As in southermost past there is only two season winter and summer !! So as the earth is moving away from sun and thus the southern part will be far away and northern part will be facing sun !! So C !!