Sentence examples for chemicals spread from inspiring English sources

Their concentrations in polar bear tissues continued to rise for decades after the ban as these chemicals spread through the food chain.

The larvae live in the sediment, which is a repository for many persistent chemicals spread into water.

In anticipation of more intense and more frequent floods, the city plans to clean 100 industrial properties in areas prone to flooding, to reduce the risk of toxic chemicals spreading through neighborhoods in a storm surge.

Baits are slow-acting insecticides which are consumed and then brought back to the colony where the chemicals spreads out across the wider termite population.

The neonicotinoids are "systemic" pesticides, being applied to seeds so that the chemical spreads within the plants.

Despite the wide chemical diversity of the present array, no chemical spreading was observed using time-of-flight secondary-ion mass spectrometry (ToF-SIMS) imaging (Fig. S4 †).

Earlier research has suggested several different ways that the chemicals could spread.

Examples include population biology, the diffusion of chemicals, the spread of heat, the radiation of electromagnetic waves, etc. [6 9].

A similar situation occurred in Gilman, Colo., a small town whose residents were sent packing by the Environmental Protection Agency in 1984 when flooding caused dangerous chemicals to spread from a former coal mine.

Hopefully, the termites which have come for the untreated wood will now take the poisoned bait back to the colony, where the chemicals will spread across the population.

When shopping you should always put your produce in individual bags to prevent cross-contamination (unwanted organisms or chemicals being spread from one food to another).