I'm pretty sure the answer is D
Answer:
D
Explanation:
Rejection of a newly translated organ caused by development of cancerous cells in the organ
The answer is option A.
The Student identifies the test tube
that stops bubbling first contains the catalyst.
Because Catalyst is a substance which
increases the rate of reaction, and the reaction shows that when a product is
obtained bubbles formed.
<span>When the student added X, Y and Z to the
test tubes. The one which is a catalyst fastened the reaction.</span>
It is c.a decrease of gravity!!
