Perishable items are those whicha. spoil quicklyb. are in high demandc. must be transported for long distances. d. are imported from other countries.

Witch one is it soo it the the question b.a,b,c,d

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

What has been a consequence of human economic development in advancing nations? a) subsistenceb) conservationc) photosynthesisd) pollution