Tina observes B and E occur.
This increase and decrease in sound amplitude is due to the Doppler effect.
Viroids.
<span>Viroids enter the pollen and ovule, from where they are transmitted to the seed. When the seed germinates, the new plant becomes infected. Viroids can also be transmitted among plants by contaminated farm machinery and insects.</span>
This membrane divides the cells into functional and stuctural compartments or organelles
Answer:
ions, glucose and amino acids i think
don't get mad
Explanation:
Answer:
There's no eclipse at every full moon and new moon because the moon's orbit is inclined to Earth's orbit by about five degrees. Most of the time, the sun, Earth and moon don't line up precisely enough to cause an eclipse.
Explanation:
During a lunar eclipse, Earth comes between the Sun and the Moon, blocking the sunlight falling on the Moon. Earth's shadow covers all or part of the lunar surface.