Are viruses alive? the scientific debate continues. viruses exhibit some characteristics of life, but others are missing.

the most obvious reason why scientists still refer to viruses as non-living is that they
do not change over time.

a) do not change over time.

b) do not contain any genetic material.

c) are much smaller than anything alive.

d) are not composed of one or more cells

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?