Answer:
D
Explanation:
#1 is a solute, a solute meaning an ingredient.
#2 is a solvent, meaning a liquid in which a solute is dissolved to form a solution.
#3 is obvious after that. :)
Hope i helped and have a super calla fragalistic expialadocious day. :D
Answer:
a TUNDRA is a vast treeless region bordering the Arctic ocean.The positive and negative interactions that affect populations in the tundra ecosystem .
Explanation:
Tundra is used to describe types of vegetation in the treeless high latitudes between taiga and polar ice caps, and at high altitude across the mountain above timberline.
POSITIVE AND NEGATIVE INTERACTIONS:-
The tundra is perhaps the most fragile of all the biomes because of its short growing season. A willow 10 centimeter ( 4 inches) high may have a trunk 7 centimeter in diameter and may be 50 YEARS OLD.
Human activities in the tundra leave scars that persist for centuries .
FORTUNATELY , for the tundra inhabitants, the impact of civilization is localized around oil mining and drilling sites, pipelines,mines and military bases.
Answer:
Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another. Zoonotic diseases are infectious diseases of animals that can cause disease when transmitted to humans.
Explanation:
Answer:
E) there are at least two groups, one of which does not receive the experimental treatment.
Explanation:
A controlled experiment is an experiment that is manipulated by the scientist to suits his methods. They are conducted to test a single variable at a time. It helps to minimize the random effect of wild environment on the experiment.
In a controlled experiment there are two groups; one group receive treatment in certain proportion it is referred to as controlled group while the other group are exposed to the standard environment known as experimental group.
Meat, seafood, beans, etc...