Questions by ErnestineScr

0 votes

1 answer 86 views

What do rocket-based systems use to propel itself into space?

asked Jan 6 in Science

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1 answer 76 views

What causes a lot of geological activity on the earth?

asked Jan 6 in Science

0 votes

1 answer 78 views

Photosynthesis changes light energy to what type of energy?

asked Dec 31, 2024 in Science

0 votes

1 answer 26 views

Osseous tissue is the tissue that makes up what?

asked Dec 31, 2024 in Science

0 votes

1 answer 51 views

Like all chordates, vertebrates are animals with four defining traits, at least during which stage?

asked Dec 31, 2024 in Science

0 votes

1 answer 44 views

Atoms of what element ultimately form in a red supergiant?

asked Dec 30, 2024 in Science

0 votes

1 answer 46 views

The net effect of aldosterone is to conserve and increase water levels in the plasma by reducing the excretion of what element, and thus water?

asked Dec 30, 2024 in Science

0 votes

1 answer 66 views

The negatively charged electrons are attracted to the positively charged what?

asked Dec 27, 2024 in Science

0 votes

1 answer 44 views

In human females, the mammary glands are associated with, but not part of, what organ system that is used to create new humans?

asked Dec 27, 2024 in Science

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