Answer:
The third side can be any length if we don't know the value of the angle between the two known ones or the full perimeter.
Explanation:
The answer is C.) Sac. More formally known as the amniotic sac. It's also sometimes called the bag of waters.
An engineering cycle is meant to assess the environmental impacts in relation to economic impacts on a product. The assessment is the whole life cycle of a product consisting of production, use phase and end of life. It's important because it helps mold the standard of living for generations to come and be sustained indefinitely. It protects against negative environmental factors but also reduces the cost of production for business', also.
Answer:
it is 180 million years old