Why do scientists think mass extinctions occurred?

Which describes an effect that ocean currents have on short-term climate change? A) Ocean currents increase the strength of prevailing winds, which can cool the air and land. B) Ocean currents can carry cold water, which can cool the air and land.

Herbaceous stems grow thicker as a result of cell division in the

Sort the energy spectrum from shortest to longest wavelength (short at top, long at bottom). radio x-rays light cosmic heat

What is the monomer of the DNA molecule called?

Discussion Questions 1. How old are the oldest rocks in New York State?

What is an unintended consequence of urban growth

Why do some birds have bright colors whole others look more camouflaged?

When the M phase begins during the cell cycle, it starts with prophase metaphase telophase anaphase

What happens to a sedimentary rock after it evaporates with water? What would it turn into? A) sedimentary rock B) metamorphic rock C) igneous rock D) sediment

The third level of cell organization is the tissue level system level o organism level o organ level