Answer:
B
Explanation:
Competition is defined as an activity done by two opposing sides, both of which are trying to do better than the other.
Sex-linked traits show up in males more often because they only have one X chromosome (males are XY) and females have 2 (XX)
No daughters will actually have hemophilia, but they could be a carrier
There is a 50% chance that if they have a son he will have hemophilia
Gravity , Explosion
<u>Explanation:</u>
Nebulae are made of dust and gases—mostly hydrogen and helium. The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas. As these clumps get bigger and bigger, their gravity gets stronger and stronger.
Eventually, the clump of dust and gas gets so big that it collapses from its own gravity. The collapse causes the material at the center of the cloud to heat up-and this hot core is the beginning of a star.
Answer:
The particularly severe winter of 1777-1778 proved to be a great trial for the American army, and of the 11,000 soldiers stationed at Valley Forge, hundreds died from disease. However, the suffering troops were held together by loyalty to the Patriot cause and to General Washington, who stayed with his men.
