Which of the following do scientists think is responsible for climate change?

A. Nitrogen

B. Smog

C. Acid rain

D. Carbon dioxide

Which of the following describes the path of lymph that just exited a lymph node? Lymph vessels, to lymph ducts, to tissues Lymph vessels, to lymph trunks, to subclavian vein Lymph trunks, to lymph vessels, to abdominal vena cava Lymph trunks, to

Which option correctly describes how Earth's temperature has changed during its history?

1. Where do most amphibians have to reproduce and why do they reproduce in that particular location? 2. In reproduction, do frogs have internal or external fertilization? 3. What is metamorphosis? 4.

when listening the levels of orginization in orginisims from the smallest to most complex, which level is just below organs in complexity

I am a solid, nonmetal with 53 electrons what am I?

In a population of deer mice, the allele for white hair is recessive and the allele for brown hair is dominant.

What makes a molecule a saturated fat?

Muscles or nerves or hormones control (s) the functioning of organs

How are Australia's fires relevant to today's vocabulary word "Succession"?

Water moves between the ocean, atmosphere, and land. In which form does water enter the atmosphere?