In order for nitrogen to be usable for life it must first be

This is an invertebrate animal with radial symmetry. Most reproduce sexually with external fertilization. This is the simplest invertebrate animal.

What is the fitness of an organism? A. The environment the organism lives in B. The number of resources an organism uses C. The total population of a species D. The ability to survive and reproduce

Could produce steel that was strong and cheap which could be used to make skyscrapers and bridges

Which medium does light travel fastest through

In what way is the treaty on plant genetic resources limited? A. It neglects the loss of biodiversity B. It excludes the use of seed banks C. It excludes countries other than the United States. D. It neglects the loss of habitat

The stomach is ___ to the heart. anterior inferior posterior superior

The digastric muscle's job

Which of the following is true of unsaturated fats? (A) They are more common in animals than in plants. (B) They have double bonds in their fatty acid chains. (C) They generally solidify at room temperature.

How many times HCl 4 M is less concentrated than HCl 10M?

Notice that the predicted percentages and laboratory percentages are not the same. These differences most likely result from.