1. Which of the following is NOT a primary mineral? A. Mica
B. Feldspar
C. Quartz
D. Limestone

2. Which soil texture allows water to move through soil most quickly?
A. Sand
B. Loam
C. Clay
D. Silt

3. Which of the following is NOT used to classify soils?
A. Depth
B. Texture
C. Color
D. Structure

4.Which horizon is known as top soil?
A. E horizon
B. O horizon
C. A horizon
D. B horizon

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?

What type of cell division is used to replace old cell?