One example of pseudoscience given in class was alchemy; the idea that low-value materials like lead could be transmuted into gold. What was
the problem with this study?

a. Transmutation could not be consistently reproduced by controlled experiments.

b. There was no tested evidence that shows transmutation was possible.

c. Alchemists did not share their discoveries with each other
Each of these was true about alchemy.

the correct answer is sex-linked recessive.

i just took the test

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

1. is geographic distribution

2 is increasing complexity

3 is transitional forms