Answer:
In biology, immunity is the balanced state of multicellular organisms having adequate biological defenses to fight infection, disease, or other unwanted biological invasion, while having adequate tolerance to avoid allergy, and autoimmune diseases.
Explanation:
There are two major sources of energy that power the earth's environmental systems, these are SUN AND THE EARTH'S INTERIOR HEAT.
The heat energy from the sun is the one responsible for processing all the external processes that occur in the atmosphere, hydrosphere and on the earth surface.
The energy from the earth's interior is the one that is respondsible for powering the internal processes that produce earthquakes, volcanoes eruptions and mountain formation.
Photosynthesis starts when a photon- a tiny packet of light is absorbing a molecule of chlorophyll.
Answer:
calcium is not a main element of calcium . question 2 hemoglobin is a globular protein with an embedded heme group. so a transportation protein and question 3 the building blocks of proteins are amino acids.
Explanation:
Answer:
A.
Explanation:
survivors may develop huge psychological problems due to the remaining options in the question
