Which fetal development occurs during the second trimester? O Bones begin to harden.
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O The roof of the mouth forms.
O The eyes can sense changes in light.
• The heart and circulatory system begin to develop

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.

per vehicle mile, motorcyclists are times more likely to die in a crash than passenger car occupants.

Why is important to keep your health triangle balanced?