Excretion is the process of removing wastes and excess water from the body, and parasites excrete toxic wastes. Given these facts, what do parasites do with waste among the following options: - kill them - remove - die - migrate - harm them - expelled - propagate - a hazard
remove

(Question)
If soil is permeable then water easily flows through that soil, and water is a compound of hydrogen and oxygen. Given these facts, if soil is permeable then what easily flows through the soil among the following options: - bacteria and algae - A compound of hydrogen and oxygen - solid, liquid, gas - marshes and swamps - the wearing away of rock - basic building blocks of life - plankton and nonliving organic - To another location like underground
(Answer)
A compound of hydrogen and oxygen

Ques: Operating an automobile usually requires fossil fuels, and fossil Fuels Fuels that are formed in the earth from plant or animal remains. Given these facts, what does operating an automobile usually require among the following options: - bus - bicycle - Animal remains - hydrogen and oxygen - energy usage - ramp - Time and energy - solid, liquid, gas
Ans: Animal remains

(Q).
Melting is when solids are heated above their melting point, and if the room temperature is below the melting point of the substance then the substance is solid. Given these facts, if an object is below an objects melting temperature then it is what among the following options: - solid - liquid - volatile - gas - eroded - cold - dead - Weight
(A).
solid

Ques:Amphibians have a relatively complex circulatory system with a three-chambered heart, and all frogs are amphibians. Given these facts, what have a relatively complex circulatory system with three-chambered heart among the following options: - sharks - humans - bacteria - Birds - blood - frogs - salmon - pacemaker

Ans:frogs

Viruses often infect bacteria, and rhizobium bacteria are native soil bacteria and non pathogenic. Given these facts, what can infect rhizobium among the following options: - gasoline - viruses - water - sunlight - fungi - bushes - herbicide - Pesticides
viruses