Which of these act perpendicular to each other to produce an electromagnetic wave? (2 points) a. changing crests and troughs b changing electric and magnetic fields c changing compression and energy transfer d changing longitudinal and transverse waves

Changing electric and magnetic fields            

Explanation:

An electric field is produced due to a charged particle. The electric field due to a positive charge is outwards and for negative charge it is inwards.

Moving charged particle is responsible for the production of magnetic field. Electromagnetic waves are produced due to oscillating electric and magnetic field components. These two waves oscillate perpendicularly to each other and both are in phase with each other i.e. we can say that an accelerating charged particle produce electromagnetic waves.

So, the correct option is (b) " changing electric and magnetic fields ".

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.

mientras se trata la anorexia o la bulimia, es importante buscar ayuda antes que nada. un profesional de la salud mental será el más útil para aquellos que sufren anorexia o bulimia. este es un buen lugar para comenzar, sin embargo, ver a otros profesionales como dietistas registrados, especialistas médicos y dentistas podría ayudar a alguien a recuperarse de un trastorno alimentario. después de la ayuda profesional, o si la ayuda profesional no es una opción, alguien que se recupere de la anorexia o la bulimia debe rodearse de compañeros de apoyo, padres u otros miembros de la familia que también estén comprometidos con el proceso de recuperación.

hope this you! : )

(i popped my answer into google translate so it may be a bit wonky)