The most common cause for occasional, small oil leaks is a worn seal or damaged gasket. The leaks are most visible when parked but occur constantly.
Not really, but VERY occasionally in small amounts.
They could, but not likely in very small amounts.
they don't your guinea pig will get ill
As long as it hasn't spoiled, it is okay as in small amounts occasionally. It is not really good for chickens to get a lot of moist foods, as it can sour their crops.
By definition, if it requires nicotine it is not natural.
Small amounts will cause a stomach ache but call your vet.
R 134 is freon gas. In small amounts, the exposure to freon gas is not dangerous. In larger amounts, freon can cause respiratory issues.
Sudafed can kill a small dog. An ingredient in Sudafed can be toxic to dogs, cats, and other animals. Even small amounts can cause illness.
lettuce, can cause diarrhoea so only give small amounts
a small amount of mould is actually healthy for the human body. Large amounts will cause sickness
It is harmless in small amounts. However in high concentrations it can cause asphyxia.
Chrome in its elemental form is not poisonous, but certain compounds containing chromium can be toxic in very small amounts. For example, hexavalent chromium (Cr(VI)) compounds are considered carcinogenic and can cause various health issues even in low concentrations.