Answer:
physical change
Explanation:
it changes the form of the substance
Cladistics is a way of grouping the related branches based on sharing derived characters within the group. However these characters are not found in other species except by convergence. Phylogeny is a way of tracking evolutionary relationships based on shared characters based on artificially defined levels of taxonomy.
Answer:
Ba Barium
Explanation:
Says on ther periodic table
It would belong to the group known as the Alkane which have the general form