Answer:
primary, secondary
Explanation:
primary immunodeficiency diseases are present at birth and usually stem from genetic errors, whereas secondary immunodeficiency diseases are acquired after birth and are due to agents such as infections, irradiation, or steroids
Answer:
C
Explanation:
It’s always the right answer
Underwater living faces many of the same life support challenges as living in space. ... But in the future, underwater habitats might provide their own oxygen with artificial gill technology to extract dissolved air from the sea water
Since humans do not have gills, we cannot extract oxygen from water. Some marine mammals, like whales and dolphins, do live in water, but they don't breathe it. They have developed a mechanism to hold their breath for long periods of time underwater.
To put these depths into perspective, three American football fields laid end to end would measure 900 feet (274.32 m) long — less than the distance these divers reached underwater. Most recreational scuba divers only dive as deep as 130 feet (40 meters), according to the Professional Association of Diving Instructors.
Answer:
By office staffs and actors.
Explanation:
Cognitive behavioral therapy (CBT) can be used for the people who work in offices and going to stage for performing the plays. Some people in offices can't do presentation due to low confidence, fear or anxiety so Cognitive behavioral therapy is very effective for them. This therapy can also be used for the people who can't perform plays or acting in front of large audience.
Nematodes<span> are the bacterial feeders, fungal-feeders, plant parasites, predators, and omnivores.</span>
