Answer: The space between the sun and Earth contains no matter.
Explanation:
MODES OF HEAT TRANSFER
1. Conduction: This type of heat transfer happens when there is direct contact between the two objects.
2. Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas).
3. Radiation: This type of heat transfer happens when there is direct transfer of energy through space.
Thus convection can not take place between earth and sun as there is no liquid or gas present for movement of heat. The heat is transferred from sun to earth by radiation as it occurs through space.
Answer:
Statements thar are true:
Some organisms have phenotypes that make them better increase chances of reproduction.
Natural selection continues to occur even today
Phenotypes found In the most successful members of a species become the most prevalent after several generations.
Explanation:
It is not true that all organisms must compete for survival, sometimes the conditions are good and there is enough food or good climate conditions and that makes no need of competition an increase in the individuals of the species.
Animals undergo natural selection, this is a random natural phenomenon that can make plants and animals adapt better or worse to the enviromental conditions. This cause that the beneficiaries can adapt, survive and reproduce and became the most prevalent after generations.
Mutations are not phenomen that occur because the living being needs it, but rather they are phenomenon that occur at random at any time and determine the possibility of survival.
A decrease in food availability will do the contrary, decrease the variation in a population because it makes that only those who manage to adapt to eat another food survive, for example.
Answer:
B) Ethanol.
Explanation:
A type of fuel made from corn or sugar (but primarily from corn) is ethanol. ethanol is typically blended into gasoline, though it is available as a stand alone. It is also used for many things, including but not limited too gasoline, chemicals, and alcoholic beverages.
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Answer:
In humans, there are four basic types of tissue: epithelial, connective, muscular, and nervous tissue. There may be various sub-tissues within each of the primary tissues. Epithelial tissue covers the body surface and forms the lining for most internal cavities.
