1. some yeast, sugar and water are mixed in a test-tube.
the test tube starts bubbling after one hour.

which process causes this change?
a growth
b reproduction
c respiration
d sensitivity

What do science, technology, and disease have to do with each other?

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that