Answer:
constant = changes and control is used as the basis of comparison
Explanation:
Constant variables are variables that do not change
e.g such as the temperature ( if it's meant to be kept at a constant temp).
Control variables are meant to be kept constant to allow for a comparison and thus determine the effect of IV (independant variable) and DV ( dependant variable)
Vegetables are considered among the most nutritious food available because they have a large amount of minerals and vitamins in them.They do not have fat in them which makes is more nutritious.Besides this every part of vegetable can be utilized whether it is in the form of stem,root,leaves,seed all have some amount of nutrition in them.The nutrition present in vegetables can be derived in multiple ways ,they can be eaten raw or can be cooked.Vegetables are very rich source of vitamins and minerals. They are very rich in anti-oxidants ,which protects the body from cancer.They are also a rich source of iron,phosphorous,multivitamin,etc.
The world could lose a fifth of its African elephant population in 10 years. ...
Answer: It is not healthy.
Explanation:
Wearing a hat shields your eyes from the sun, which can cause your retinas to burn, this is why sunglasses are also recommended, it helps stop too much light from entering your eyes, as well as UV rays.
Wearing sunscreen can protect your skin from harmful sun rays. These harmful sun rays can cause skin cancer by putting a protective layer over the skin.
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