Answer:
Atoms of all elements—except for most atoms of hydrogen—have neutrons in their nucleus. Unlike protons and electrons, which are electrically charged, neutrons have no charge—they are electrically neutral
Answer:
Greasy pig disease (Facial dermatitis/exudative epidermitis) Lice. Mange. Ringworm.
Plastic can lead to the destruction of habitats and wildlife. In the ocean, many sea animals and birds are dying from choking on these toxins. It can take hundreds or even thousands of years to break down the plastic, causing the environmental damage to be long lasting.
Answer:
Explanation:
The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.
