Answer:
curdling of milk is a chemical change.
Explanation:
because it formed by a chemical process of fermentation. moreover, a chemical change is a change that can't be reversed. This process can't be reversed as well so it's a chemical change
A. metallic
I gotta use 20 characters so ignore this bucko
Quick Answer. Collagen is the protein that all animals have in common, even single-celled animals and creatures such as sponges that lack differentiated bodies. Collagen is a cable-like protein that can calcify into bone, shell or other hard structures.
HOPE THIS HELPS AND GOOD LUCK
MARK BRAINLIEST PLZ!!!!!!!!
The photoreceptors would be your eyes, chemoreceptors skin, olfactory for nose and mechanoreceptors for obviously tongue hope this helps.
Answer:
I could be wrong but I believe it is,
"rocks," and "dark matter"