The process of metal refining is done for the purpose of fixing the metals impurities through the reduction process. On the other hand, problems are encountered in doing this process. Metal refining produces refined metals but the main downside of this process is the production of too much waste after.
Answer:
The cane toad is an invasive species.
Explanation:
Remember please that these are likely to cause economic or environmental harm or harm to human health or non-native (or alien) to the ecosystem. Hope this helps
Nondisjunction<span> in meiosis, occurs during anaphase. When one pair of homologous chromosomes fails to separate. This effects age development and genetic recombination for humans. </span>
The correct answer is 2. ligers cannot reproduce.
When lions and tigers reproduce, their offspring is called a liger, as a combination of a lion and a tiger. However, this offspring is infertile, meaning that it cannot produce children of its own, it cannot reproduce any further. This is why they can only be found in zoos, and not in the wild.
Answer:
They are pollinators.
Explanation:
Bees are vital to our ecosystem because they are pollinators and due to this pollination, these bees are responsible for the presence of trees, shrubs and other small plants etc. if bees were to disappear from ecosystem Earth then the whole world is adversely affected because trees can't produces fruits and seeds so after sometime animals die due to unavailability of food. Human activities are responsible for the death of these bees because human activities causes pollution which is not good for bees. We have to make a safe place for bees and grow as many flowers as you can in order to increase their population.