An experiment is a procedure that tests a hypothesis by the process of collecting information under controlled conditions.
<h3>What is a controlled scientific test of hypothesis ?</h3>
A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant.
- Controlled experiment. an experiment that compares the effect of one manipulated variable to a group that receives no treatment. controlled variables. factors that should be kept the same in both the treatment group and the non-treated group.
Learn more about Control experiment here:
brainly.com/question/24708013
#SPJ4
Answer:
stems, leaves, flowers
Explanation:
There are two parts in the plants ----
1. the shoot system
2. the root system
Shoot system are defines as the upper part of the plant which means it is the part that lies above the ground or surface. It consists of stem, leaves and flowers. It is responsible for food production and is the production center of a plant.
The root system is the part that is under the soil. It holds the plant in its place and helps to absorb water and mineral from the soil. It helps to store the products of the photosynthesis process from the shoot system.
Answer:
A. 6 billion
Explanation:
The full question is:
As of the year 2000, the human population was approximately _______.
- A. 6 billion
- B. 3 billion
- C. 1 billion
- D. 10 billion
Answer:
When this reaction takes place, water dissolves ions from the mineral and carries them away. These elements have undergone leaching. Through hydrolysis, a mineral such as potassium feldspar is leached of potassium and changed into a clay mineral.
Explanation:
