Answer:
scientists disagree about the fossils from this time period. ... there is very little fossil evidence for this time period. there are too many fossils to name
Answer:
Explanation:
If she doesn't the water will seep through the pores and the birds will get a bath only while the hose is on, in which case there is no reason for the birdbath.
Answer:
Beryllium's atomic number is 4
Explanation:
<u>Reason</u>
- Beryllium has 4 protons, 4 neutrons, and 4 electrons.
- This makes it a nuetral atom meaning that it contains an equal amount of protons and electrons
- This means that beryllium has a atomic number of 4
See the little ball in the little cubie right there mabey that is how the chemical bonds are realesed. i tried my best i am only in 7th grade
This model wasn't new, it has been proposed as early as the 3rd century BC by Aristarchus of Samos. Your teacher is looking for Nicolaus Copernicus, but he is a scammer.