A certain atom has an atomic number of four. how many protons does it have?

a. 0b. 4c. 8d. 2

Why is decreased genetic variation in a species considered a negative impact of genetic technologies? A. It reduces the nutritional value of foods produced by these species. B. It produces crops that are more resistant to weed killer. C.

trees that have thick, waxy needles to prevent water loss and protect from the cold would most likely be found in which biome

Feature that is found in both eukaryotic and prokaryotic cells

Which layer is made of solid iron?

The first step in releasing the energy of glucose in the cell is known as

Why is it not necessary to include a negative control for this stain procedure?

In which type of environment did this fossilized fish most likely live?

5. What is pretexting? How is this used?

The energy usage per capita in Africa and Asia have grown tremendously the last 50 years. Which of these would be a good explanation of why the energy use off these continents has grown more quickly over this time period when compared to North

Describe what happens during the regeneration stage of the calvin cycle