Answer:
irreversible chemical change
Explanation:
A chemical change always results in a new substance and as it is not possible to reverse it, it is an irreversible chemical change.
I hope you understood :)
Answer:
The answer is: Scientific theories do not become scientific laws; they are explanations for natural phenomena based on evidence.
Explanation:
The other answers talk about how 1) Science should be bias or opinion based 2) Scientists only take each other's word and 3) Science never changes. All of these are false. Science <em>does </em>sometimes change, it should <em>not </em>be bias or opinion-based, and scientists do not always take each other's words.
I believe these types of structures are called vestigial structures. Vestigial structures are body parts that seemingly have no purpose or function in the current form of an organism of the given species. Examples of such structures in human include; the muscles of the ear, the appendix, the tail bone, body hair, wisdom teeth among others. These structures are often homologous to structure that are functioning normally in other species and for this reason they can be considered evidence for evolution.
B. sunflower is the answer .....I think so if wrong correct me.............!!!!!!!!!!!!!!
The answer is A, because the phytoplankton is the foundation of this food web. Without your foundation, "the building will begin to crumble".
