Answer:
This is the famous extinction event that brought the age of the dinosaurs to an end. In each of these cases, the mass extinction created niches or openings in the Earth's ecosystems. Those niches allowed for new groups of organisms to thrive and diversify, which produced a range of new species.
Explanation:
<span>Carbon has four valance electrons.
Carbon forms the backbone of all organic molecules.
Carbon can form bonds with four different atoms.
Carbon can from four covalent bonds with another carbon atom.</span>
Answer:
Phobia is a result of associative learning that suggests human and other animals to learn fear in certain threatening objects or situations.
Explanation:
Phobia is a psychological condition that defines any kind of fear which will appear from certain type of objects and it scares intensely.
Several learning experiences creates fear when the particular person is expose to that condition.
These include some associative learning that is related with behavior.
This type of learning is usually based on stimuli which is generated through positive or negative consequences.
This type of learning which create phobia contain classical conditioning, Operant Conditioning, Cognitive social conditioning etc.
I’m not 100% sure because I’m pretty dumb when it comes to science but I’m pretty sure the answer is either B or C
Answer:so awnser is b !
Explanation:
I KNOW this becaues i took the test