Answer:
<h2>Positive Reinforcement and Operant Conditioning </h2>
Explanation:
<h3>thanks me later </h3>
All of the above- 1, 2, and 3 These introduce variation into the chromosome or into the zygote and create cells and offspring unique from the parents.
Answer:
A spade placed in the fire turns hot.
Explanation:
Heat & Pressure ( So I guess in this answer choices it's " Heat up" )
The reason it's not " melt " because if melting were to take place then that would make Magma, and magma isn't metamorphic rock.
