A ratio that compares a number to 100 is a percentage
the first answer as blood needs to be oxygenated to be passes round the body then when its deoxgenated it will return to the heart to be pumped around the body again
Answer:
They are nonlobed, simple leaves and are attached oppositely on the branch.
Explanation:
A dichotomous key is a tool you use in biology to know the identity of things in nature such as trees,flowers, fish or even rocks. This key has choices that follow each other in a progressive manner, where one choice led to the other until you identify the item.In this case, to identify Dogwood, you follow the below steps;
1b. Broad leaf = Step 2
2b. Simple leaf = Step 7
7a. Leaf bases attached opposite each other on branch = Step 8
8b. Leaves not lobed = Step 9
9b. Leaves not heart shaped = Dogwood
The key is (1b,2b,7a,8b,9b)
C. Statement 1 is about an everyday life theory, and statement 2 is about a scientific theory.
Explanation - Statement 1: Children knocked over the trash can while cycling is an example of everyday life theory whereas Statement 2: Plant cells generate from sunlight and chlorophyll is an example of scientific theory.
In everyday life, if Children are not taught or explained, then they tend to throw the garbage or trash here and there thereby littering the street. Applying the scientific theory, plant cells uses sunlight, water, carbon dioxide and chlorophyll to perform photosynthesis.
