Answer:
Most protists have mitochondria and chloroplasts. This is statement is true.
Explanation:
Protists are the organisms that are eukaryotes i. e. have true nucleus and made of single cell. Most of the protists contain chloroplast. These protists are green in color due to the presence of chlorophyll that's why they make their own food like plants. Some protists also contains mitochondria which generates energy from the food they eat.
Answer:
Hydrogen disulfide
Explanation:
Hydrogen disulfide
, which is responsible for the rotten-egg scent, is toxic rather than simply smelly, if inhaled at concentrations above 700 parts per million.
It can be present at very low concentrations well below those considered to induce health effects. The scent of sulfide hydrogen does not affect your well-being.
Geological activities that can be occur in the eraty crust.
in divergent oceanic - the two plates oceanic and oceanic diverge or move towards each other and the resulting activities such as mid ocean ridges.
in divergent continental - the two continental plates move toward each other and the resulting activities such as valleys in land due to diverging of land.
Embryonic stem cells !
i hope this helps !
