Because it has more protons than electrons. Protons are positive so if there is more of them than electrons, the ion will have a positive charge.
Earth is the right distance from the sun. It’s protected from harmful solar radiation by its magnetic field and the atmosphere keeps it warm. Earth contains the right chemical ingredients to sustain life such as H2O (water) and C (carbon)
Answer:
How we can use images to promote and communicate science ... the cliché, “a picture tells a thousand words”, but there is real value in ... Images help us learn, images grab attention, images explain tough ... at BioMed Central, one thing I've realised is how vital images are in my role. ... Here's an example:.
Explanation:
<span>2.44 × 10–2 m by 1.4 × 10–3 m by 8.4 × 10–3 m
</span>
2.9 x 10-7 m3
Explanation:
from internet
the act of transferring pollen grains from the male anther of a flower to the female stigma