How does usage determine the effectiveness of contraceptives?

True or false a fertilized cell divides many times to form an embryo

The affordable care act has expanded mental health and substance abuse benefits to 62 million people and is an addition to the mental health parity act of 2008. the changes and additions require mental health coverage in small group and individual plans where people were not previously covered. what is the biggest benefit of these changes? what major challenges are still associated with mental health coverage? explain your reasoning.

Which practice is harmful to the land? a. using animal waste as fertilizer b. composting with peels from commercial fruit c. throwing paint cans in the garbage d. cutting the lawn with a gas-powered mower