Is radioactivity on the Earth something relatively new?

Answers

Answer 1

Answer:

naturally occurring radioactive elements have been around since the Earth's formation

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Why were behaviorists unlikely to view cognition as a part of learning?

Answers

Behaviorists are unlikely to perceive cognition as part of learning because they believed that learners respond to stimulus. It is the negative and the positive reinforcement that the learners receive that shape their behaviors or responses to certain stimuli and not cognition.

Answer:

Cognition is unobservable.

Explanation:

a bullet of mass 40 gm is fired from a gun of mass 8 kg with a velocity of 800 m/s, calculate the recoil velocity of gu