When the telomere becomes too short, the chromosome reaches a 'critical length' and can no longer be replicated.
The two-layered sac surrounding the heart is the pericardium.
Hope this helps!
Answer:
The scientific question posed by the student is, Does compost cause tomato plants to grow faster and taller than artificial fertilizer?
Explanation:
Physcial weathering <span>is the process that breaks rocks apart. So, I suppose when an earthworms digs and tunnels their way through the soil? They move the broken peices of rock causing it to break into smaller peices.</span>
