Biotic factors are organisms that interact with non-living & living parts of an ecosystem.
Egs. badgers, worms, fungi, bacteria, insects.
It slowly makes the ground softer making it easier for it to dissolve
Answer: Test case
Explanation:
The document that defines the software testing approach in order to achieve testing objective is referred to as the test case.
It should be noted that the test case is a document, that consist of a set of test data, the preconditions, and the expected results as well as the postconditions, which are developed for the test scenario so as to meet the testing objective.
Answer:
D it causes river channels to change shape