The answer is #4. The first and second one involve acid, which is chemical weathering. The third one involves oxidation, which is a chemical process. The only mechanical process is option four.
Answer: The steel frame to make the bike
Explanation:
it is a natural resource that cannot be replaced,
Answer: Plants use their photosynthesis to make glucose and their chloroplast to break the glucose down to obtain ATP.
Explanation:
Answer:
invertebrates. animal's without backbone.
verterbrates- animals with backbone
Insulin released to prevent the surge of sugar in bloodstream when glucose increases.
