Oven cleaner usually has a pH greater then 12. The pH scale ranges from 1 to 14, with 1 being extremely acidic, 7 being neutral, and 14 being extremely alkaline.
C. Amplitude
The amplitude and hight interfere in sound. The higher and the more amplitude there is, higher will be the sound and vice versa.
Hope it helped,
BioTeacher101
(If you have any questions feel free to ask them in the comments)
D. Enzymes increase the rate of the chemical reactions carried out during metabolism.
Explanation:
Tahukah kamu, mengapa motor berhenti di depan lampu merah?
karena motornya direm. Coba kalau nggak direm bisa bahaya tuh.
Tebak binatang apa yang jago renang?
Bebek. Kalau ikan bukan renang tapi menyelam
Kenapa di rel kereta api ditaruh batu?
Soalnya kalau ditaruh duit nanti pada diambil.
B, hormones that serve as chemical messengers im not 100% sure though