The esophagus is a passageway to what organ?

A. lungs

B. stomach

C. liver

D. kidney

How are shadows formed?

Isotopes of an element have the same number of protons but a different number of neutrons below u will see the nucleus of four different atoms which atoms are isotopes of each other (there no pic i guess)

Define a salt bridge. Define a salt bridge. A pathway between the cathode and anode in which ions are oxidized. A pathway, composed of salt water, that ions pass through. A pathway between the cathode and anode in which ions are reduced.

If cells in the process of dividing are subjected to colchicine, a drug that interferes with the formation of the spindle apparatus, at which stage will mitosis be arrested?

All statements about scientific theories are true except

Could acetic acid be used in the esterification, instead of acetyl chloride? Why or why not?

9. In a sample of gas, what causes pressure? Answer in a completesentence.

Sodium (Na) reacts with chlorine gas (Cl2 ) to form sodium chloride (NaCl) as shown in the equation: 2Na + Cl2 → 2NaCl If 4 moles of chlorine gas react, how many moles of sodium will react?

What are transuranium elements properties?

A geologist finds a section of rock that shows was ripple marks. What does it he pr send me or a ripple marks say about the area where the rock formed? A. the rock from rk s in a fast moving stream B.