Answer:
viruses are not alive because:
they do not make their own membranes.
they don't have cytoplasm or ribosomes.
they have only one nucliec acid.
they have no metabolism outside the cell.
they don't move.
Explanation:
all these statements are true.
Metalloid, it includes: boron, silicon, germanium, arsenic, antimony, tellurium and polonium
Answer: pachytene stage of prophase I
Explanation:
The processes of crossing over is called synapsis and it occurs at the pachytene stage of prophase I of meiosis.
Answer:
HEAT .
Explanation:
energy in the body is lost as In.
The correct option is: INCREASED EUTROPHICATION CAUSED BY HIGH LEVELS OF NITROGEN AND PHOSPHORUS.
Eutrophication refers to the excessive richness of a body of water as a result of run offs from the land. This caused the body of the water to be densely populated by plants thus causing structural changes to the ecosystem of the water.<span />