When do most life threatening difficulties with pregnancy present themselves?

Is leucoplast found in prokaryotic cells or eukaryotic cells or both

Algae are important for which of the following reasons A. they are food sources for many aquatic organisms B. Parts of algae are used in foods that humans eat C. algae produce oxygen as a result of the process of photosynthesis D. All of the above

A deficiency of carnitine results in muscle cramps, which are exacerbated by fasting or exercise. give a biochemical explanation for the muscle cramping, and explain why cramping increases during fasting and exercise.

Why soils in different locations around the world have different properties

How does water erosion affect humans? What are the short-term effects to humans? (Property damage, contaminated water, damage to crops, etc.)

There are many different ecological and environmental conservation methods. Which is not a conservation method? A) water harvesting B) fishing seasons and limits C) limiting of clear cutting of forests D) wind and wave erosion on coastal areas

Explain when and how dire wolves became extinct.

Which of the following is true biased thinking promotes scientific ideas open - restricts scientific thinking creativity Foster scientific discovery clothes minus cultivate scientific exploration

Why do the lateral and polar views of chromosomes of the same cell in metaphase look different?

Which two words mean nearly the same thing