Answer:
1. the study of human behaviour.
2. using a secret or exclusive language in certain circumstances
3. Multilingual
Answer:
A. decrease by half.
B. stay the same.
C. double.
Explanation:
Host-pathogen models resembels the host-parasite models and predator-prey which is used to evaluate the evolutionary strategies of pathogens.
The host-vector-pathogen system can be demonstarted as a change in the number of 4 types of people: healthy hosts, uninfected vectors, infected hosts, and infected vectors.
The threshold density should decrease by half, stay the same, or double, according to the standard host-pathogen model, if the combined death and recovery rate from a disease doubles, and the ability of the disease to spread from infected to uninfected persons.
Hence, the correct options are A. decrease by half, B. stay the same, and C. double.
The correct directions of the winds on this map are the winds marked with the numbers 1, 3, and 5.
The winds marked with the numbers 1, 3, and five are correctly marked. The number 1 winds are the easterlies on the Northern Hemisphere. They move from east towards west. The number 3 winds are the NE trade winds, and their direction of movement in the Northern Hemisphere is from northeast to southwest. The number 5 winds are the Westerlies of the Southern Hemisphere, and they are winds that move from northwest to southeast.
The fluids and small particles that leave the blood collectively are called <span>lymph</span>
