Mutations can be both harmful and helpful. It is helpful because it could help breed or sustain more species for better production or consumption. It is harmful because it could cause genetic disruption to a living organism that may impair its functioning as a whole.
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Answer: C. The sign of the enthalpy of the reaction reverses.
Explanation: Enthalpy of a reaction is the net heat absorbed or released during a chemical reaction.It is represented by 
. It is negative for exothermic reactions in which heat is released and is positive for endothermic reactions in which heat is absorbed.
When a chemical reaction is reversed the heat of the reaction changes its sign.
The decomposition of calcium carbonate is an endothermic reaction as heat is required to break the bonds and thus energy is absorbed.
When the reaction is reversed, the reaction becomes exothermic as now bonds are getting formed and energy is released.
Answer:
fish can breath water atoms of negtive atoms with are postive atoms so dose the big bang now we are born you get me
Explanation:
The vitamin A with compounds that act like hormones, regulates cell differentiation, growth, and embryonic development is the large cell anemia. The large cell anemia is also known as megaloblastic anemia. It also means that red blood cells are larger than the normal size of red blood cells.
Answer:
The policy for controlling environmental mercury pollution should address ways to prevent and control this pollution. Policy:
- Ban the incineration of waste
- Require that coal-burning companies remove mercury from the coal
- Allocate funds towards research and development for renewable energy resources in the hopes of switching away from coal.
- Require that products containing mercury be labeled as such.
- Set up programs that will recycle batteries and mercury-filled products.
- Set up education programs that will help inform people about mercury pollution.
This policy works by addressing the ways to prevent and control mercury pollution.
Three problems that could result from implementing this policy:
- Backlash from coal-burning companies.
- It could take a while before we completely shift away from using coal.
- Some of the programs that can be set up in this policy can be too expensive to set up and maintain.
