Answers/ Explanations:
- Water is considered a <u>'Natural'</u> resource (Fresh water is also considered a <u>'limited'</u> resource.
- Oil, coal, and natural gas are considered <u>'Non-renewable'</u> resources.
- <u>'Chemical'</u> energy is able to be replaced within the ecosystem for human use.
- A farmer who wants to produce the best crop yield will use '<u>Precision Farming.'</u>
- When a pollutant increases in concentration at higher levels of the trophic level, <u>'Biomagnification'</u> can harm organisms at the highest levels.
Answer: where is the graph
Explanation:
Answer:
e.) If exposure to cowpox gives immunity to smallpox in milkmaids, then milkmaids have a natural immunity and their blood should be used to develop a smallpox vaccine.
Explanation:
- Milkmaids who suffered from cowpox did not suffer from smallpox i.e. they were immune to the disease.
- If milkmaids did not suffer from smallpox then there must be some element of immunity that they received once they had recovered from cowpox, this would likely be found in their blood as antibodies.
<span>1.
</span>Cones perceive
light in color while rods perceive light in black and white.
<span>2.
</span>Rods can perceive dim light, unlike cones. The rods are located at the edges of the eyes. This is why it easier to perceive an image in the dark through
the corner of the eyes.
<span>3.
</span>The discs that compose the cones are usually
partially open to the surrounding vitreous
fluid while those of the rods are closed.
Answer:
, the Northern Hemisphere has summer. At the same time, the south end of Earth's axis is tilted away from the sun so other parts of the world is cold. as the earth revolves on its axis, we will soon experience winter as well. places like Antartica will always be cold , just because how its on the earth. its far far far aways from the sun. thats why it stays cold there.
Explanation:
