Only toms idea could be scientific since it is testable, can be tested by others, have a hypothesis, and be proven
Children begin to form a self concept around 18 months of age
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The first one is that the impala will have a higher chance of having two of their babies to survive and live a healthy lifestyle. But the salmon will most likely have more babies then the impala because she laid more eggs.
Answer:
Coughing, Skin to skin contact, kissing, sneezing, touching something others have touched.