A. Cyanobacteria are photoautotrophs. <span>
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*Over million of years, birds developed as a species. This relates to evolution.
As you say birds developed as a specie but over million of years, the gradual change or development is called evolution. Also we can understand the word is evolution because as we know, scientist believe birds evolved from dinosaurs; meaning dinosaurs had to gradually change to fit as what we know today as birds.
Sodium carbonate is a basic salt because it is a salt derived from a weak acid and strong base.
Elbow - hinge joint is the <span>pairs shows the correct combination of bones and types of joints present in them.
</span>In primates, including humans, the elbow joint is the synovialhinge joint<span> between
the humerus in the upper arm and the radius and ulna in the forearm
which allows the hand to be moved towards and away from the body.</span>
Consumption of irradiated food during pregnancy can cause birth defects is false.
<h3>What are birth defects?</h3>
Birth defect in pregnancy are the structural or functional abnormalities occur during intrauterine stage. It can be detected either prenatally or in infancy state.
The primary causes are genetic, Socioeconomic, Environmental and other factors.
Chromosomal abnormalities and single gene defects are the major genetic abnormality based birth defects, such as Down syndrome and cystic fibrosis etc.
When parents are related by their blood group can also leads to high risk of rare genetic birth defects.
Hence, the statement is false
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