Answer:
false
Explanation:
they come together at the north and south poles and are curved
Answer: Both a and b
Explanation:
The presence of C-C and C-H bonds in fat makes them insoluble in water as they are non polar: do not dissolve in water. These are rich in energy in that their breakdown produces more energy than even carbohydrates themselves.
When a geologist working in stratified rocks observes a limestone bed with oyster fossils overlain by beds with clam and echinoderm fossils indicative of marine conditions, the fossils probably indicate ----- that the environment had changed as the sea level rose and it displaced the oysters environment with marine conditions represented by the clams and echinoderms.