Which promotes a more sustainable use of resources?
a. decreasing overconsumption
b. switching to oil-based electricity
c. ending recycling programs
d. using more land for agriculture

The correct answer is A. Decreasing overconsumption

Explanation

During the last years, environmental concerns have increased due to high levels of contamination and destruction of ecosystems. In response to this situation, a worldwide movement has emerged that promotes environmentally friendly practices that aim at reaching sustainability. The term "sustainability" refers to a global trend to find the balance between the conservation of nature and the use of natural resources; one of the most important principles to achieve this is to reduce consumption; this leads to a decrease in the negative impact of human societies as fewer resources are taken from nature and thus, ecosystems are preserved. So, the correct answer is A. Decreasing overconsumption

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

the answer is c. it will give up it's valence electron to the other atom.