Amphibians are the first true tetrapods, or vertebrates with four limbs, and modern classifications of the tetrapods rely on the structure of the skull . Given these facts, what are amphibians classified by among the following options: - organ - ovaries - colors - feet - alleles - genus - skull - Length
skull

(Question)
Ultraviolet light causes sunburn, and sunburn symptoms are skin redness and pain, possible swelling, blisters, fever, headaches. Given these facts, what does ultraviolet light cause among the following options: - purple haze - Something whose growth is discouraged by heavy wet soils - Something that can be converted to kinetic and heat energy by a motor - freezing - skin redness and pain, possible swelling, blisters, fever, headaches - water vapor rising into colder regions of the atmosphere and condensing - loud sounds - Something that take eight minutes to travel to the Earth
(Answer)
skin redness and pain, possible swelling, blisters, fever, headaches

Ques: Rain causes erosion, and erosion of dunes leads to erosion of the beach and of the Island. Given these facts, what can destroy dunes among the following options: - wind - fire - turtles - storms - clams - heat - rain - grain
Ans: rain

(Q).
Producers are organisms that produce food for themselves and other organisms, and producers are the base of the food chain. Given these facts, what does the base of the food chain provide food for among the following options: - It helps them survive - sediments - Most plants - other organisms - our planet - energy systems - fruits - Animal survival
(A).
other organisms

Ques:Digestion is the process of breaking down food into components the body can absorb, and digestive enzymes are necessary for a complete digestion. Given these facts, what causes food to break down among the following options: - Blood - bacteria - Enzymes - Saliva - sodium - heat - Esophogus - Acids

Ans:Enzymes

Question: Fat is used to keep animals warm, and humans are a new type of animal. Given these facts, what uses fat to keep warm among the following options: - Lobsters - bacon - humans - pigeons - insects - omnivores - plants - bears
Answer:
humans