23. The structure labeled x in Figure 12-1 is a(n) (1 point)
х
CG
TA
Figure 12-1
O sugar
O amino acid
O nucleotide
fatty acid

rising sea temps which are causing coral reefs to bleach and die out

glaciers are melting causing sea levels to rise wgich could flood out land

explanation:

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%