Why have fungi evolved mechanisms for dispersal of their spores

What particle is found in the electron shells or clouds? A) protons B) Photon C) electrons B) electrons and photons

Which of the following is true about organizing items and information during scientific investigations?

A peak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. A neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. A compound that is known not to be retained was eluted in 2.5 s. The peaks are not baseline resolved.

The "opposite" of ionization energy is A. atomic energy. B. electronegativity. C. molecular energy. D. electromagnetic energy.

Express the distance between saturn and the sun in meters using powers of 10. express your answer using two significant figures.

Why would waves from the sun not reach Earth if they were mechanical waves? Include in your answer what is required for the movement of mechanical waves.

An elastic band is hung on a hook and a mass is hung on the lower end of the band. When the mass is pulled downward and then released, it vibrates vertically.

What is the definition of the coefficient of kinetic friction?

Maria and Carla were hiking when Maria tripped, fell, and sprained her ankle. Carla took out the first-aid kit and unwrapped a cold pack. Carla popped a vial that was inside the cold pack.

What instrument is used routinely to check a person's exposure to radiation?