Answer:
Life Processing I Learnes this last year in 7 grades
Answer:
6.5 cm
Explanation:
Mechanical advantage is a measure of efficiency or performance of a tool or machine in terms of force amplification which is done by the machine or tool. In simple terms, it measures that at what extent the applied force is increased with the help of tool or machine.
Mathematically, it is the ratio of force produced by the tool or machine to the force actually applied to the tool.
In terms of effort length and resistance length, it is calculated as -
Mechanical advantage = 
Thus, Mechanical advantage =
= 6.5 cm.
The correct answer is vestigial.
A vestigial composition is an anatomical characteristic, which no longer appears to exhibit an objective in the present form of an organism of the given species. Usually, these vestigial compositions were organs, which had done some essential activity in the organism at one time in the past.
The examples of human vestigiality are plentiful, involving the anatomical compositions like wisdom teeth, human tailbone, and inside corner of the eye.
Household used batteries should be disposed off carefully. So that the toxic chemical contents present in it do not add to environmental pollution.
Explanation:
- Burning the batteries in Incinerator can be harmful as it may be pollute the environment due to hazardous and toxic elements present in the batteries.
- Lithium batteries needs to be carefully packed and taping it shut very well so that they don't cause fire while transporting and recycling
- Mrs. King should buy a battery charger and recharge all of the used batteries so that they can be re-used. All rechargeable batteries can be recycled as well.
- Certain home department or office supply stores accept these products for recycling.