The substance must be able to alter its physical characteristic (for example, its color) in accordance to a change in pH. One example of this is litmus paper, which becomes red under acidic conditions and blue under basic conditions.
The organisms belonging to phylum Nematoda are roundworms
Answer:
Extra carbon dioxide in the atmosphere increases the greenhouse effect. More thermal energy is trapped by the atmosphere, causing the planet to become warmer than it would be naturally Explanation: yeah
Threats to our native temperate grasslands include clearing, nutrient enrichment, inappropriate grazing, altered burning practices, neglect, fragmentation, tree planting and the invasion of exotic weed species like Serrated Tussock, African Lovegrass, St John's Wort and Phalaris.
Answer:
volcanic eruption, hardened lava, mantle
Explanation: