Which is an example of mechanical weathering? A:water moving over rocks
B:iron oxide
C:hydrated minerals
D:limestone cave formations

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Draw the structure of dna nucleotide with adenine as nitrogenous base