As Earth warms, upper layers of permafrost melt, producing waterlogged soil above frozen ground:
• Methane gas is released in anoxic environment
• Greenhouse effect is enhanced
• Earth warms, melting more permafrost

IS THIS A NEGATIVE OR POSITIVE FEEDBACK LOOP AND WHY?

Marian is itemizing deductions on her federal income tax return and had $1500 in non-reimbursed work expenses last year. if her agi was $46,000, and if non-reimbursed work expenses are deductible to the extent that they exceed 2 % of a taxpayer's agi, how much can marian deduct for non- reimbursed work expenses? a: $30 b: $580 c: $920 d: $1470

*i’ll mark you brainliest to whoever answers the fastest with the right answer * if someone runs a red light in front of you, and you choose not to slow down or steer away, you will a. not be at fault if there is a collision b. be partially at fault if there is a collision c. have to appear in court if there is a collision d. probably not be involved in a collision

Pkease ! what are a few reasons why the south seceded from the union