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Instead of using its own lungs,the fetus obtains oxygen and nutrients from the mother's blood.
Passive Solar System
A design approach that utilizes the sun's energy for the heating and cooling of living spaces by exposure to the sun, without active mechanical systems.
Active Solar System
An energy system that directly uses mechanical or electrical devices powered by sunlight, such as solar panels, to capture and convert solar energy.
Renewable Energy
Refers to energy derived from natural processes that are replenished at a rate faster than they are consumed, such as sunlight, wind, rain, tides, and geothermal heat.
Biomass
Organic material derived from living, or recently living organisms, used as a source of energy or in various industrial processes.
Q3: Even in the nineteenth century, anthropologists were
Q3: forms bones and teeth<br>A)calcium<br>B)iodine<br>C)iron<br>D)potassium<br>E)zinc<br>F)vitamin A<br>G)vitamin B3<br>H)vitamin B12<br>I)vitamin
Q10: What is the basal metabolic rate for
Q10: When someone says "I need to use
Q18: presence of an extra chromosome, which causes
Q27: Which of the following scientific approaches rely
Q28: Which would be the spleen's first action
Q29: Most inherited mutated genes pass on a
Q38: hepatitis<br>A)bacteria<br>B)fungi<br>C)protozoa<br>D)rickettsia<br>E)virus<br>F)helminths
Q39: A(n) _ is the basic structural unit