False. Strontium 90 has a half life of only 30 years, and as millions of years pass, about the time fossils have been around, most if not all of any strontium would have decayed.
B. Tundra - only biome with snow
Answer:
Three binding site
- guanine nucleotide
- guanosine triphosphate
- guanosine diphosphate
Explanation:
These sites are essential in signal transfer, cell growth, cytoskeletal assembly, protein synthesis and membrane vesicles transport.
Answer:
In the United states, most tornadoes are classified as intense low pressure funnel clouds that draw in air.
