The answer is cold weather and starvation.
Valley Forge was on of the largest cities in America at the time. So, with so many people in the city, the local resources were depleting rapidly. So, the lack of food was present. In harsh, cold winter conditions, they faced low supplies of food and a lot of diseases. The patriot had to deal with the cold and starvation at Valle Forge.
Answer:
Commensalism is ecological interaction between the species that is of use to one species called commensal and it doesn't leave any consequences to the other one.
Explanation:
A classic example of commensalism is the symbiosis of green algae and fungus-Symbiosis is a close, often long-lasting interaction of two organisms of different species because of the benefits of at least one of them.
Astrometric, Doppler, and transit methods share in common as they all search for planets by measuring properties of a star rather than of the planets themselves.
Answer: Option C
<u>Explanation:</u>
Astronomers always try to discover new planets and galaxies. They employ various methods for finding new planets which include astrometric, transit and Doppler method. All these methods have one common aspect in their approach for finding new planets is that they measure the properties of star instead of planets.
Planets are smaller compare to its parent stars. Therefore, it is difficult to detect light from planets as the light of their parent star washes out the light of planet hence making it difficult to detect the planets.
