Answer:
proton
Explanation:
no charge, it weighs 1 amu
It can be observed and tested
Answer:
A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can only take place at the phase of new moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface
Explanation:
Prophase: spindle fibers are developed during this phase.
