Im not 100 percent sure, but I believe that the answer is D) because A), B), and C) are all equally necessary. Yet D) seems to have a much higher level of importance
Answer: Option B
Explanation:
The population of moose increased during 1990-1995 because the predators that feed on moose population was low.
The predators that feed on the population of moose are large carnivores which eats them.
This caused increase in the population of moose during 90s as there was a sudden decrease in the population of predators that feed on them.
Answer:
A double helix shape of DNA
Explanation:
Answer:
Humanitarian aid are the most important to the prevention of famine conditions
Surface mining, which is also known as strip mining, is when soil and rock overlaying mineral deposit is removed. It can cause habitat destruction, air pollution from dust particles, soil erosion and pollution. Subsurface mining is removing deposits from the Earth by drilling underneath layers of rock and dirt. To keep the pathways clear, <span>mining companies have to pump out large amounts of water, which go into surface ecosystems. That disrupts the ecosystem by changing the pH conditions of soil and water sources. Placer mining is mining of stream bed deposits for minerals, a way of obtaining minerals and metal resources. Although, because it is small, causes less damage to the surrounding environment it still can disrupt river ecosystems with pollution and sediments.
I hope this helps!!
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